Lesser-known sites make list of places to visit in Singapore

HOLLY MATTHEWS Today Online 3 Jun 15;

SINGAPORE — The Buddha Tooth Relic Temple and Museum, the NUS Baba House and Bukit Brown Cemetery have made it to the to-do list for travellers to Singapore, according to the latest Traveler’s Choice Landmarks ranking by travel website TripAdvisor.

These landmarks ranked third, sixth and seventh, respectively, on TripAdvisor’s list of top 10 must-see landmarks in Singapore, which saw relatively lesser-known sites make the cut, such as the Kranji War Memorial (in fourth place).

Nonetheless, well-known favourites the Singapore Flyer (first), Marina Bay Sands SkyPark (second) and Merlion Park (fifth) still featured on the list. The list did not include attractions such as the Singapore Zoo and Gardens by the Bay, which are classified under “Nature and Parks” on the website.

TripAdvisor releases these rankings annually — for countries, regions, and globally — by taking into account the quality and quantity of reviews on the site gathered over a 12-month period.

Industry watchers were surprised by some of the inclusions. Dr Michael Chiam, a senior tourism lecturer at Ngee Ann Polytechnic, said: “I am generally quite surprised that those relatively obscure and out of the way sites came out top.”

Ms Shirley Tee, course manager of Nanyang Polytechnic’s diploma in hospitality and tourism management programme, felt the rankings signalled a shift in what tourists look for.

“Travellers going overseas would like to see things that are somewhat off the beaten track,” said Ms Tee, adding that tourists now “want to experience something (they) don’t get back home”.

Singapore’s landmarks did not make the list of top 25 landmarks in Asia, which featured the likes of Angkor Wat in Cambodia, the Taj Mahal in India and the Great Wall of China.

As a destination, Singapore ranked 18th among the top 25 in Asia, and did not make it onto the list of the top 25 destinations worldwide, according to the rankings released in March.

Singapore’s tourism arrivals have taken a hit of late, with numbers on a continued decline in the first quarter of this year. From January to March, there were 3.6 million visitors to Singa­pore, down 6.1 per cent from the same period a year ago. Last year, arrivals fell for the first time since 2009, by 3.1 per cent.

Ms Tee said the Republic should look beyond its planned star attractions and consider the appeal of community-driven sites, such as Bukit Brown Cemetery, which sits on land slated for development. “I think people want something that is by the community, for the community,” she said.

Dr Chiam agreed, adding that embracing heritage is the way forward. “When people come to a country, they want to know what the locals do, what the local beliefs are, what is the history behind who we are, and I think that has not been emphasised enough. We have a unique thing that is ours, and people would like to hear our story,” he said.


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Warm days, thundery showers expected in first half of June

Meteorological Service Singapore also expects there to be "slightly hazy conditions" on some days in the first half of June.
Channel NewsAsia 2 Jun 15;

SINGAPORE: The first half of June will consist of “a few warm days” and “short-duration thundery showers”, said the Meteorological Service Singapore (MSS) in a media advisory on Tuesday (Jun 2).

MSS said in a news release that during the next fortnight, "Southwest Monsoon conditions are forecast to set in and low-level winds are expected to blow from southeast or south-southwest”, and that Singaporeans can expect several warm afternoons with maximum temperatures of around 34 degrees Celsius.

Showers are also forecast for the late morning and early afternoon, caused by "strong solar heating of land areas". The showers are expected to occur on at least five to seven days during this period.

MSS added that thundery showers with gusty winds can also be expected on up to two days – “due to Sumatra squalls”. These are likely to happen pre-dawn and in the morning, met officials said.

Those in Singapore may experience “slightly hazy conditions” on some days, during the early morning, “due to the accumulation of particulate matter under light wind conditions”, MSS said.

- CNA/hs

Mix of 34°C days, short thundery showers and slight haze expected over next 2 weeks
Today Online 3 Jun 15;

SINGAPORE — Several warm days with temperatures going up to around 34°C in the afternoon are expected over the next two weeks, said the Meteorological Service Singapore (MSS) today (June 2).

Short thundery showers are also likely on five to seven days, mostly in the late morning and early afternoon, while thundery showers with gusty winds can be expected on one to two days in the pre-dawn and morning, said the national authority on weather and climate in an advisory, adding that rainfall for the first two weeks of this month is likely to be near-normal.

Slightly hazy conditions on a few days, particularly in the early morning, can be expected as well.

The MSS said South-west Monsoon conditions are forecast to set in and low level winds are expected to blow from the south-east or south-south-west.

The average daily maximum temperature for June is 31.3°C, while the average daily minimum temperature is 24.8°C.

Providing a review for last month, the MSS said inter-monsoon conditions prevailed, and Singapore experienced wet weather conditions on most days.

Thundery showers fell mainly in the late morning and afternoon, with the highest total rainfall of 119.6mm recorded on May 3 over Bukit Panjang area.

Most parts of Singapore received near-average rainfall last month. The highest rainfall of 352mm and 368mm — 80 per cent to 115 per cent above average — were recorded over the western and northern parts of the island around Choa Chu Kang and Woodlands, respectively.

The lowest rainfall of 59mm and 67mm — 50 per cent to 80 per cent below average — were recorded over the eastern and south-western parts of the island around Changi and Tuas, respectively.


Scorching days and thundery showers ahead
Carolyn Khew The Straits Times AsiaOne 3 Jun 15;

CARRY an umbrella to shield yourself from the heat and showers over the next two weeks.

The National Environment Agency (NEA) said in its latest forecast yesterday that the temperature here is expected to hit about 34 deg C on a few warm days in the first half of this month. This is higher than the long-term average daily maximum of 31.3 deg C for the month.

The agency added that short thundery showers due to the strong solar heating of land areas are likely on five to seven days, mostly in the late morning and early afternoon.

Also, thundery showers with gusty winds are expected on one to two days in the pre-dawn hours and morning.

The NEA also predicted slight haze on a few days, particularly in the early morning, due to the accumulation of particulate matter under light winds.

Scorching temperatures in the past few days have sent people seeking shade.


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Activists: Decline of elephants in Tanzania is catastrophic

TOM ODULA Associated Press Yahoo News 2 Jun 15;

NAIROBI, Kenya (AP) — The sharp decline of the elephant population in Tanzania, most likely due to poaching, is catastrophic, a wildlife conservation group said Tuesday.

The Tanzanian government on Monday estimated that 65,721 elephants have died in the country in the last five years. The report showed the number of Tanzanian elephants plummeting from an estimated 109,051 in 2009 to 43,330 in 2014.

Steve Broad, the executive directors of wildlife conservation group TRAFFIC, said it is incredible that poaching on such an industrial scale had not been identified and addressed.

The statistics back concerns by TRAFFIC in a 2013 report that the Tanzanian ports of Dar es Salaam and Zanzibar have become main exit points for vast amounts of ivory, the group said in a statement.

According to the conservation group, at least 45 tons of ivory have flowed from Tanzania to international markets in Asia since 2009.

It said a breakdown across the country showed some smaller elephant populations had increased, notably that in the famed Serengeti region, which rose from 3,068 to 6,087 animals. However, beyond the most heavily visited tourist locations, elephant numbers were significantly down.

Of particular concern is the Ruaha-Rungwa ecosystem, where only 8,272 elephants remained in 2014, compared to 34,664 in 2009, according to government figures, the statement said.

"Tanzania has been hemorrhaging ivory with Ruaha-Rungwa the apparent epicenter and nobody seems to have raised the alarm," Broad said, and urged the government to take action to bring the situation under control.

The Tanzanian government says it has added an additional 1,000 rangers to protect wildlife, but Broad said "there is a real risk that it could be a case of too little too late for some elephant populations."

In February China imposed a one-year ban on ivory imports that took immediate effect amid criticism that its citizens' huge appetite for ivory has fueled poaching that threatens the existence of African elephants.


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India minister blames climate change for deadly heatwave, weak monsoon

Reuters Yahoo News 2 Jun 15;

NEW DELHI (Reuters) - India's earth sciences minister has blamed climate change for a heatwave that has killed 2,500 people and for deficient monsoon rains, after the government said on Tuesday the country was headed for its first drought in six years.

"Let us not fool ourselves that there is no connection between the unusual number of deaths from the ongoing heat wave and the certainty of another failed monsoon," Harsh Vardhan said. "It's not just an unusually hot summer, it is climate change," he said.

The minister's comments affirm warnings from the U.N. Intergovernmental Panel on Climate Change that India will be hit by frequent freak weather patterns if the planet warms.

The arrival of the June-September monsoon rains, on which nearly half of the India's farmland depends, has already been delayed by about five days, and Vardhan said there was no certainty about when the rains would arrive.

India, the world's No. 3 emitter of greenhouse gases, is under growing pressure to tackle its carbon emissions after the world's top two emitters - China and the United States - last year agreed to new limits starting in 2025.

But Prime Minister Narendra Modi has said he would not bow to foreign pressure and instead focus on increasing the country's use of renewable energy.

His ministerial colleagues have said that because India's per-capita energy consumption is lower than Western countries, its economy should not be unfairly shackled by commitments to curb carbon when it needs to grow its economy to cut poverty.

The U.N. is hoping countries can agree a deal to slow global warming at an upcoming climate summit in Paris in November.

(Reporting by Krishna N. Das; Editing by Tommy Wilkes)


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Radical transition' of economy needed to curb climate change: study

Alister Doyle PlanetArk 3 Jun 15;

Harmful impacts of global warming such as heat waves and sea level rise are mounting and show a need for a "radical transition" to a greener economy, a study presented at U.N. climate talks said on Tuesday.

Damage is growing even though average temperatures have risen only 0.85 degree Celsius (1.5 Fahrenheit) above pre-industrial times, less than half the 2C set as a maximum acceptable rise by almost 200 nations, it said.

"Negative impacts are not only something in the future - they are something now," said Zou Ji, a co-leader of the U.N. review of consultations about science policy for governments working on a U.N. climate deal in Paris in December.

All sides at the presentation of the report, on the sidelines of June 1-11 talks on the Paris accord, said government promises so far for curbs on greenhouse gas emissions were too weak to stay below the 2C goal.

"Limiting global warming to below 2C necessitates a radical transition ... not merely a fine tuning of current trends," according to the report based on talks between experts and governments.
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Such a transition would mean deep cuts in greenhouse gases, shifting from fossil fuels such as coal and oil to renewable energies such as wind, hydro and solar power, it said.

The report also concluded that the 2C goal was too often wrongly viewed as an acceptable maximum, a "guardrail" up to which climate change would be manageable.

But impacts of climate change, such as damage to coral reefs or a melt of Greenland's ice that is raising sea levels, showed risks were already increasing.

"The guardrail concept in which up to 2C would be considered safe would be better seen as an upper limit, a defense line," said Andreas Fischlin, a co-leader of the report.

Thomas Stocker, a senior Swiss scientist from the U.N.'s Intergovernmental Panel on Climate Change, said governments faced tough choices in managing the risks of warming.

"The elephant in the room is what we can do to change the trend in emissions," he told delegates.

Many developing nations favor setting a ceiling of 1.5C above pre-industrial times, arguing that their economies are vulnerable to impacts such as storms, floods, droughts and sea level rise.

Collin Beck, representing the Solomon Islands, said scientists should do more to examine ways to set up a defense line against 1.5 degrees.

(Editing by Tom Heneghan)


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Everything you need to know about the Paris climate summit and UN talks

As UN climate negotiations resume in Bonn, we look at why the crunch Paris climate conference from 30 November to 11 December is so important
Fiona Harvey The Guardian 2 Jun 15;

What is happening in Paris this December?
The governments of more than 190 nations will gather in Paris to discuss a possible new global agreement on climate change, aimed at reducing global greenhouse gas emissions and thus avoiding the threat of dangerous climate change.

Why now?
Current commitments on greenhouse gas emissions run out in 2020, so at Paris governments are expected to produce an agreement on what happens for the decade after that at least, and potentially beyond.

Why is this important?
Scientists have warned that if greenhouse gas emissions continue to rise, we will pass the threshold beyond which global warming becomes catastrophic and irreversible. That threshold is estimated as a temperature rise of 2C above pre-industrial levels, and on current emissions trajectories we are heading for a rise of about 5C. That may not sound like much, but the temperature difference between today’s world and the last ice age was about 5C, so seemingly small changes in temperature can mean big differences for the Earth.

Why has nobody thought of getting a global agreement on this before now?
They have: global negotiations on climate change have been carrying on for more than 20 years. The history of climate change goes back much further: in the 19th century, physicists theorised about the role of greenhouse gases, chiefly carbon dioxide, in the atmosphere, and several suggested that the warming effect would increase alongside the levels of these gases in the atmosphere. But this was all theoretical.

Only in the past few decades have scientists begun the measurements necessary to establish a relationship between current carbon levels and temperatures, and the science conducted since then has consistently pointed in one direction: that rising greenhouse gas emissions, arising from our use of fossil fuels and our industries, lead to higher temperatures.

Hasn’t global warming stopped?
No. Global temperatures have been on a clear upward path. There was a spike in 1998, after which temperatures were lower – but still warmer than previous decades – that led some climate sceptics to claim that the world was cooling.

During the period since 1998, global temperatures have risen at a slower pace than they did in the previous 30 years. That, too, has been seized upon by sceptics as evidence that global warming has “paused”.

But it is important to note that temperatures have not fallen, or stalled – they have continued to rise. Given the variations that characterise our weather systems, a period in which the rate of warming slowed is not unexpected.

For the past two years, the rate of warming seems to have accelerated again, but little can be construed from that.

What progress have we seen on a global agreement?

In 1992, governments met in Rio de Janeiro and forged the United Nations Framework Convention on Climate Change. That agreement, still in force, bound governments to take action to avoid dangerous climate change, but did not specify what actions. Over the following five years, governments wrangled over what each should do, and what should be the role of developed countries versus poorer nations.

Those years of argument produced, in 1997, the Kyoto protocol. That pact required worldwide cuts in emissions of about 5%, compared with 1990 levels, by 2012, and each developed country was allotted a target on emissions reductions. But developing countries, including China, South Korea, Mexico and other rapidly emerging economies, were given no targets and allowed to increase their emissions at will.

Al Gore, then US vice president, signed up to the protocol, but it was quickly apparent that it would never be ratified by the US Congress. Legally, the protocol could not come into force until countries representing 55% of global emissions had ratified it. With the US – then the world’s biggest emitter – on the outside, that was not going to happen.

So for most of the following decade, the Kyoto protocol remained in abeyance and global climate change negotiations ground to a near-halt. But in late 2004, Russia decided to pass the treaty – unexpectedly, and as part of a move to have its application for World Trade Organisation membership accepted by the European Union. That made up the weight needed, and the protocol finally came into force.

So we had a global agreement?
Not quite. The US, under George W Bush, remained firmly outside Kyoto, so although the UN negotiations carried on year after year, the US negotiators were often in different rooms from the rest of the world. It was clear a new approach was needed that could bring the US in, and encourage the major developing economies – especially China, now the world’s biggest emitter – to take on limits to their emissions.

What followed was, agreed at Bali in 2007 after much drama, an action plan that set the world on the course to a new agreement that would take over from Kyoto.

This is taking a long time. What happened next?
It did take a long time. But getting agreement from 196 countries was never going to be easy. The next act of this long-running drama fully demonstrated that: the Copenhagen conference of 2009.

What happened at Copenhagen?
Everything but the treaty. All of the world’s developed countries and the biggest developing countries agreed – for the first time – to limits on their greenhouse gas emissions. This was a landmark, as it meant the world’s biggest emitters were united towards a single goal.

The emissions reductions agreed on were still not enough to meet scientific advice, but they were a big advance on reducing emissions compared with “business as usual”.

But what didn’t happen turned out to be the point that NGOs and many in the press seized on. What didn’t happen was a fully articulated and legally binding treaty.

Is that important?
It depends on your viewpoint. The Kyoto protocol was a beautifully written, watertight, fully legally binding international treaty, a sub-treaty of the similarly binding UNFCCC. But it never met its objectives, because it wasn’t ratified by the US, and not by Russia until it was too late. And none of the countries that failed to meet their commitments under Kyoto have been sanctioned.

The Copenhagen agreement, on the other hand, was not fully adopted by the UN in 2009 because of last-minute chaos at the conference, though it was ratified the following year in the form of the Cancun agreements. For this reason, the Copenhagen agreement was derided as a failure by green groups

But the targets agreed at Copenhagen, in the form of a document signed by world leaders, still stand.

What is likely to be agreed in Paris?

We know already what the biggest emitters have committed to. The EU will cut its emissions by 40%, compared with 1990 levels, by 2030. The US will cut its emissions by 26% to 28%, compared with 2005 levels, by 2025. China will agree that its emissions will peak by 2030.

Other major countries, including India, have yet to come up with their targets – known in the UN jargon as INDCs – despite being asked to meet a deadline at the end of March.

If the commitments from the major countries are in the bag, does that mean the Paris agreement is settled?
Not at all - the other key question, apart from emissions reduction, is finance. Poorer countries want the rich world to provide them with financial help that will enable them to invest in clean technology to cut their greenhouse gas emissions, and to adapt their infrastructure to the likely damage from climate change.

This is a hugely contentious issue. At Copenhagen, where the finance part of the deal was only sorted out at the very last minute, rich countries agreed to supply $30bn ($20bn) of “fast-start” financial assistance to the poor nations, and they said that by 2020, financial flows of at least $100bn a year would be provided.

Poor nations want a similar provision in place beyond 2020, but there is strong disagreement over how this should be done. Some want all the money to come from rich country governments, but those governments are adamant that they will not provide such funding solely from the public purse. They want international development banks, such as the World Bank, to play a role, and they want most of the funding to come from the private sector.

An agreement on this is still possible, but it will be one of the main obstacles to a Paris deal.

Will world leaders go to Paris to agree this?
No. World leaders, including Barack Obama and the Chinese premier Wen Jiabao, attended Copenhagen but were then embarrassed when that conference ended in scenes of chaos and vicious recriminations. So they’re not coming back. Paris will be attended by high-level ministers of all the world’s governments, who have the power to sign a deal on behalf of their countries.

On behalf of the French government, the conference will be led by foreign minister Laurent Fabius, and environment minister Segolene Royal, but the French president Francois Hollande will also play a key role. They are all confident that a deal can be made.

What else can we expect before Paris?
Plenty. There will be a long series of meetings in the run-up to the conference, which have already begun: in late May, a business and climate summit brought together leading private sector companies and government officials; in June, a meeting in Bonn to hammer out some of the key details of the negotiating text; in July, a meeting of scientists; in September, a convening of world leaders as part of the UN annual general meeting; and more meetings of officials, negotiators, ministers and civil society throughout the autumn.

It is also important to note that the climate talks are not happening in a vacuum.

The UN is also pressing world governments to produce a set of “sustainable development goals” this autumn, which will take over from the millennium development goals that were pegged to 2015. These will include issues such as access to clean water and sanitation, access to energy, gender equality, education and health. Those SDGs will have a profound effect on whether the world can meet its climate change targets, and meet them in an equitable fashion that allows poor countries to lift their citizens out of poverty while not passing climate thresholds.

This will be a key year for international relations. If nations can meet and agree equitable goals on the climate, on economic development, on social and environmental issues, and do so in a spirit of cooperation, it will bode well for future development.

But, as the French president Francois Hollande told delegates in Paris in late May, that might be hoping for a “miracle”.


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Best of our wild blogs: 2 Jun 15



Strange Encounters
Saving MacRitchie

Common Flangetail female feeding
Bird Ecology Study Group


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Use of forest trail: It's bikers against nature lovers

Audrey Tan The Straits Times AsiaOne 2 Jun 15;

Cycling enthusiasts have started a petition for a trail in a nature reserve to be reopened for mountain biking, but nature lovers oppose the move.

The trail in question is the Butterfly trail in the Central Catchment Nature Reserve, which was closed by the National Parks Board (NParks) in March, as parts of it fall within the construction site of the upcoming Chestnut Nature Park.

Mountain bikers have lamented the loss of this trail, famous for its terrain of interlocking tree roots and views of Upper Peirce Reservoir.

Yesterday, the Mountain Bike Association Singapore started a petition to the Government to reopen the site. Its president, Mr Calvin Chin, said that the 1,000-strong association hopes to get 5,000 signatures and will write to the authorities "within the next couple of weeks".

But environmentalists hope the trail stays closed to all human activities, including mountain biking, hiking and running, as these have damaged the century-old nature area off Chestnut Avenue.

On a site visit with NParks and the Nature Society (Singapore), or NSS, last Friday, The Straits Times saw that the roots of trees along the man-made trail were exposed, and the nutrient-rich leaf litter and topsoil layers were eroded.

"These issues result in the destruction of seedlings, as well as the loss of mature vegetation immediately adjacent to the trails," said Mr Tony O'Dempsey, chairman of the NSS' plant group, in a forum letter to The Straits Times on May 21.

But Mr Chin said bikers who use the trail are environmentally conscious. "We tell our members not to litter, and we do not veer off the tracks," he said, adding that a member paid about $500 last year for restoration works on the trail.

Cyclists can now go mountain biking at only four other areas - Bukit Timah, Mandai, Kent Ridge and Pulau Ubin.

Until recently, mountain biking was not allowed at the Butterfly trail, with riders risking fines from NParks. In 2012, the mountain bike association lobbied for the trail to be opened for recreational use and sent the parks board a study on the use of the Butterfly trail for mountain biking. NParks decided to allow cyclists to use the 3.2km trail until the building of new biking trails at the new Chestnut Nature Park began early this year.

Asked to comment on the report sent by the association, NParks told The Straits Times that the paper might have touched briefly on the environmental impact on the forest trails, but it cannot be considered an environmental impact assessment. Such an assessment is considered more rigorous.

It noted that the paper "did not make a comprehensive assessment of the current biodiversity found there nor a thorough assessment of the impact on the area should mountain biking be allowed to continue".

Studies done by NParks and NSS between 2013 and this year found a number of rare and endangered flora and fauna in the Butterfly trail site, including the Malayan porcupine and Hopea and Shorea trees. This was contrary to the association's study, which found no endangered species there.

Said NParks: "We are considering the possibility of closing the trail permanently. However, no decision has been taken yet and we will make another assessment of the area in 2016 before deciding."

The Straits Times understands that the mountain bike association and the NSS are meeting to exchange views tomorrow.

Said Mr O'Dempsey: "We are not picking on the mountain biking community. Our opposition to the use of the Butterfly trail is consistent with our overall policy on the conservation of native habitats in the nature reserve - areas for the conservation of native flora and fauna. This applies to mountain bikers, hikers, runners and, especially, ourselves."


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HDB introduces new waste collection system in Yuhua

The installation of a pneumatic waste conveyance system in Yuhua is the Housing and Development Board’s largest set-up so far.
Alice Chia Channel NewsAsia 1 Jun 15;

SINGAPORE: Yuhua residents can expect less odour and fewer pests in their vicinity, as the first phase of a new waste collection system is rolled out.

Previously, workers had to collect and transport waste from refuse chutes to the bin centre. With the installation of a pneumatic waste conveyance system in Yuhua, this automated system will be the Housing and Development Board’s (HDB) largest set-up so far.

When residents throw rubbish down their chutes, it goes to a refuse chamber on the ground floor. A sensor will be triggered when the container in the refuse chamber is full. The waste is then transported by air, through underground pipes. It travels at speeds of between 50 and 80 kilometres per hour, to a centralised bin, where the rubbish is stored in sealed containers.

When they are full, trucks will transport them to incineration plants. As for the exhaust air, it is passed through dust and odour filters. The clean air is then discharged into the atmosphere. With the process being automated, overall manpower needs are expected to be reduced by 70 per cent.

Residents in six blocks of flats - Blocks 221A, 222, 223,226,227 and 228 - in Jurong East Street 2 have been using the system since early May. The system will be rolled out to 32 other blocks by the third quarter of this year.

To encourage more to recycle, residents will also be able to put items for recycling at 24 points throughout the estate, called outdoor disposal inlets. These items will be passed through the underground pipes to a separate container in the bin.

HDB's deputy director in technology research, Tan Chek Sim, said: "PWCS (pneumatic waste conveyance system) in Yuhua helps to collect and manage the household waste more effectively and efficiently. It also gives the residents a cleaner and greener environment.

“As Yuhua is a lived-in environment, HDB took great care to minimise the inconvenience to the residents. We also actively engage the residents on the progress of the works. We are glad that the residents have given us their support for our efforts."

Residents Channel NewsAsia spoke with said they have noticed the changes. Jocelyn Ng, 60, who has been living in Jurong East for about 30 years, said: "It looks better because workers are not going round collecting rubbish from the rubbish chutes. There is less smell." She added that it was also cleaner and more hygienic.

Another Jurong East resident, 62-year-old Lim Ah Choo, said: "We realised it is a lot cleaner. In the past, when we met at the void deck, we found it rather smelly. We hope people will come around and explain to us on how to use the system. It will be embarrassing if we use it wrongly."

HDB staff will be visiting residents to explain the dos and don'ts of using the system. For example, bulky items such as bamboo poles and pillows should not be thrown into the chutes because they will choke the system.

If a blockage occurs, one of the ways to clear it is to increase the speed of the exhaust fan. This will create a greater suction force to move the rubbish causing the blockage. Otherwise, staff will have to get to the blockage through manholes to manually remove the item.

These efforts are part of HDB's Greenprint scheme in Yuhua which aims to create more sustainable homes. Yuhua is the first HDB estate to be part of this scheme.

It is expected to cost S$23 million based on preliminary estimates. The final cost will only be known after its completion later this year, with the pneumatic waste collection system taking up more than 50 per cent of the costs due to its large scale and the extensive underground network of pipes that need to be installed.

HDB is test-bedding the system at Yuhua to determine its feasibility for existing buildings. It is also assessing residents' receptiveness, as major retrofitting works are required to install the system in existing estates.

The system will be implemented in the upcoming housing estates of Tampines North, Bidadari and Punggol Northshore.

Automated system makes garbage disposal cleaner
Today Online 2 Jun 15;

SINGAPORE — Under 60 seconds — that is how long it takes for rubbish across the neighbourhood of Yuhua to reach a Centralised Bin Centre, sucked through underground pipes that are half a metre in diameter.

In fact, once residents throw waste down the rubbish chute, it will not be seen again until it reaches Tuas for processing and incineration.

This has been a way of life since early last month for residents of six of the 38 blocks with the largest pneumatic waste conveyance system in Singapore, in the first phase of retrofitting the estate with the automated system.

The new system is being constructed as part of the Housing and Development Board’s Greenprint project, which aims to make mature estates green and sustainable.

Yuhua is the first estate to be part of the scheme, and more than half of the estimated cost of S$23 million will be used for the pneumatic waste conveyance system.

The system sucks disposed waste from refuse chambers at blocks at speeds of 50kmh to 80kmh through underground pipes.

This does away with the need for waste collectors to go block to block and collect waste, cutting down manpower needs by 70 per cent. It also a cleaner alternative to waste collection, as it is completely enclosed, reducing spillage, risk of pests and unpleasant odours, said the HDB.

Blocks 209 to 240 at Jurong Street 21 are scheduled to be retrofitted with the system by the third quarter of this year. The underground pipe network that is being installed spans an estimated 4.6km and is a major part of the Greenprint project to transform Yuhua into a more sustainable neighbourhood.

The HDB has done small-scale tests of the new waste system in precincts such as Choa Chu Kang, Kim Keat and Clementi, but never an entire neighbourhood as with Yuhua, said HDB deputy director of technology research, Mr Tan Check Sim.

He called Yuhua the test bed, with future Greenprint projects relying on its success and residents’ receptiveness. “As Yuhua is a live-in environment, the HDB took great care to minimise the inconvenience to the residents,” added Mr Tan.

One resident, Mrs Jeanie Eng, said the construction process was smooth and that the inconveniences were well-managed and minimal. “They’re building something for our own good, so we don’t mind if we have to suffer a bit,” she added.

The upcoming HDB precincts of Punggol Northshore, Bidadari and Tampines North will also be equipped with the pneumatic waste collection system, as a way to “bring better living to HDB towns”, said HDB chief executive officer Cheong Koon Hean.

Waste vacuum system offers Yuhua a breath of fresh air
Yeo Sam Jo My Paper AsiaOne 2 Jun 15;

FOUL-SMELLING rubbish chutes will soon be a whiff of the past at Jurong's Yuhua estate, as blocks there get retrofitted with high-tech waste collection infrastructure.

Since early last month, six blocks in Yuhua have been using the pneumatic waste conveyance system. It uses vacuum-type underground pipes to automatically gather household garbage, doing away with the usual manual method of collection, and the accompanying pests and smell.

For residents, they simply throw their waste down the chute as normal, but underground, it is sucked away to a central bin centre. A total of 38 blocks in the estate, or about 3,200 households, will have it by the third quarter of this year, as part of the Housing Board's Greenprint programme.

If deemed feasible, the stem will be rolled out to other housing estates.

As waste collectors need to retrieve garbage from only one point and less frequently, this system is estimated to reduce manpower needs by about 70 per cent, said HDB's deputy director of technology research Tan Chek Sim.

He added that this method gives residents a cleaner and greener environment.

Said Mr Tan: "The entire time, rubbish is not exposed. There is no spillage so there is less smell."

Residents in blocks which have piloted the system agreed.

"We don't have to worry so much about pests like cockroaches now," said housewife Helen Leong, 45.

Retiree Kwek Han Tiang, 67, added: "It's great that we have new technology like this. Singapore is a First World country after all."

HDB cautioned that bulky items such as bamboo poles and pillows might choke the pipes, which are 50cm in diameter and span about 4.6km.

But if this happens, the suction power will be automatically increased to unclog the blockage, said Mr Tan. There are also manholes which allow for manual access to the pipes if needed.

While this system has been test-bedded at some HDB blocks in Kim Keat, Choa Chu Kang and Clementi, Yuhua is its largest implementation in Singapore. Upcoming housing projects at Tampines North, Bidadari and Punggol Northshore will also come with it.

The Greenprint scheme for Yuhua, which started in 2012 and will end this year, aims to transform the estate into Singapore's first green neighbourhood. It is estimated to cost about $23 million.

Other green initiatives include rooftop solar panels and double-tier bicycle racks.

The pneumatic waste collection system is expected to take up more than half the cost, given its large scale and extensive network of underground pipes, said HDB.


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New climate stress index model challenges doomsday forecasts for world's coral reefs

Complex model performs better than common temperature threshold predictions
Wildlife Conservation Society EurekAlert 1 Jun 15;

Recent forecasts on the impacts of climate change on the world's coral reefs--especially ones generated from oceanic surface temperature data gathered by satellites--paint a grim picture for the future of the "rainforests of the sea."

A newer and more complex model incorporating data from both environmental factors and field observations of coral responses to stress provides a better forecasting tool than the more widely used models and a more positive future for coral reefs, according to a new study by the Wildlife Conservation Society and other groups.

The study authors point out that, according to the climate stress index model first developed in 2008, coral reefs are responding to more factors than temperature and therefore more resilient to rising temperatures. They conclude that global climate change is the greatest global threat to coral reefs but the future of these ecosystems is more varied than predictions from the more widely used "temperature threshold" models.

The paper titled "Regional coral responses to climate disturbances and warming is predicted by multivariate stress model and not temperature threshold metrics" appears in the online edition of Climatic Change. The authors are: Timothy R. McClanahan of the Wildlife Conservation Society; Joseph Maina of the Wildlife Conservation Society and the Australia Research Council Centre of Excellence for Environmental Decisions; and Mebrahtu Ateweberhan of the Wildlife Conservation Society and the University of Warwick.

"Our new multivariate stress model suggests that the future of coral reefs is considerably more nuanced and spatially complex than predictions arising from the threshold models," said Dr. Tim McClanahan, WCS's Senior Conservation scientist and a co-author on the study. "According to our findings in the Western Indian Ocean, some places will do well and others will not. The key to accurate predictions is using all available environmental data and complementing it with on-the-ground observations on reef cover, coral communities, and other environmental variables that are key to understanding how corals respond to the interaction between all these variables."

In the study, the authors compared the abilities of three common thermal threshold indices against a stress model that includes temperature but also light and water quality and movement variables and used the models to predict coral cover and susceptibility to bleaching during a past large stress event: specifically the 1997-98 coral bleaching event in the Western Indian Ocean. The field information used in the test included a compilation of 10 years of coral community data before the bleaching event, two years after the bleaching event, and data during the period of coral recovery between 2001-2005.

While the three temperature threshold models (sea surface temperature, cumulative thermal stress, and annual thermal stress) were highly variable with little agreement to field data after the 1998 rise in temperature and coral mortality, the multivariate model based on 11environmental variables combined using a fuzzy logic systems revealed a more accurate fit with the recorded coral cover and susceptibility in the recovery period that followed.

"This latest research suggests a more optimistic future for the world's coral reefs," said Dr. Caleb McClennen, Executive Director of WCS's Marine Program. "The ability of certain coral communities to resist and recover from climatic factors provides hope for the future of the oceans. Our imperative is now to seek out and protect those locations that are refuges from climate change, and reduce other human stresses such as fisheries to ensure the long term survival of coral reefs."

To access the article, go to: http://link.springer.com/article/10.1007/s10584-015-1399-x

This research was supported by the John D. and Catherine T. MacArthur Foundation, the Western Indian Ocean Marine Science Association, and the World Bank Targeted Research Group on Coral Bleaching.

To access the article, go to: http://link.springer.com/article/10.1007/s10584-015-1399-x


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Seas face biodiversity shakeup even under 2 C warming

AFP Yahoo News 1 Jun 15;

Severe warming -- on current trends, Earth is on track for up to 4.8 C this century alone -- would cause the biggest ocean species change in the last three million years (AFP Photo/Romeo Gacad)

Paris (AFP) - The oceans will undergo a dramatic turnover in biodiversity even if the UN meets its goal of limiting of global warming to two degrees Celsius (3.6 degrees Fahrenheit), scientists said Monday.

Species that need cooler waters will migrate or become extinct, to be replaced by ones that can survive in warmer seas -- with major consequences for fisheries.

"If climate change is not tackled quickly, it will lead to a massive reorganisation of marine biodiversity on a planet-wide scale," said France's National Centre for Scientific Research (CNRS), whose scientists took part in the investigation.

The study, published in the journal Nature Climate Change, first examined biodiversity changes in three eras of Earth's history.

The first was the mid-Pliocene, a warm period which ended about three million years ago.

The second was a much colder time -- the peak of the last Ice Age, also called the Last Glacial Maximum, from about 26,500 to 20,000 years ago.

The third was from 1960 to 2013, when man-made global warming cranked into high gear.

The scientists then compared these patterns to warming projections for 2100, which vary according to greenhouse gas emission levels.

Under the most optimistic forecast, assuming average warming of about 1 C, there would be only minor changes in biodiversity by 2100, the team found.

Severe warming -- on current trends, Earth is on track for up to 4.8 C this century alone -- would cause the biggest ocean species change in the last three million years.

Worryingly, even if UN members meet the 2 C goal, biodiversity shift by 2100 would be triple that of the last half-century, the team said.

The study, headed by Gregory Beaugrand of the University of Science and Technology in Lille, northern France, focused on species in the upper 200 metres (650 feet) of the ocean, the most valuable part of the ecosystem for humans.

Part of the work is based on theorised species change, as actual knowledge of ocean biodiversity and species behaviour is in many cases limited.

In addition, there are many gaps in understanding how warming will affect a vast, complex body like the ocean.

Even so, the results leave no doubt that the bigger the warming, the greater the biodiversity shift, the scientists said.

The change will be greater in waters that today are cold or temperate -- new species will expand into these regions but "this will not compensate global species extinction," the study warned.


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U.N. climate deal in Paris may be graveyard for 2C goal

Alister Doyle and Bruce Wallace Reuters Yahoo News 1 Jun 15;

BONN/WASHINGTON (Reuters) - The U.N.'s Paris climate conference, designed to reach a plan for curbing global warming, may instead become the graveyard for its defining goal: to stop temperatures rising more than 2 degrees Celsius above pre-industrial levels.

Achieving the 2C (3.6 Fahrenheit) target has been the driving force for climate negotiators and scientists, who say it is the limit beyond which the world will suffer ever worsening floods, droughts, storms and rising seas.

But six months before world leaders convene in Paris, prospects are fading for a deal that would keep average temperatures below the ceiling. Greenhouse gas emissions have reached record highs in recent years.

And proposed cuts in carbon emissions from 2020 and promises to deepen them in subsequent reviews - offered by governments wary of the economic cost of shifting from fossil fuels - are unlikely to be enough for the 2C goal.

"Paris will be a funeral without a corpse," said David Victor, a professor of international relations at the University of California, San Diego, who predicts the 2C goal will slip away despite insistence by many governments that is still alive.

"It's just not feasible," said Oliver Geden, of the German Institute for International and Security Affairs. "Two degrees is a focal point for the climate debate but it doesn't seem to be a focal point for political action."

But as officials meet in the German city of Bonn from June 1-11 to lay more groundwork for the Paris summit, the United Nations says 2C is still within reach.

Christiana Figueres, the U.N.'s top climate change official, acknowledges that national plans for emissions curbs - the building blocks for the Paris accord - won't be enough for 2C.

But she says new mechanisms for future rounds of pledges, perhaps in 2025 and 2030, can hit the 2C mark. "You don't run a marathon with one step," said Figueres.

She says governments need to change their attitudes towards a low-carbon economy, based on clean energies such as wind or solar power, that can boost economic growth, cut pollution and create jobs.

TOTEMIC GOAL

The 2C cap has its roots in an Earth Summit in 1992, which pledged to avoid undefined "dangerous" human interference with the climate system.

Over time 2C became a totemic goal. It was first adopted by the European Union in 1996, U.S. President Barack Obama accepted 2C in 2009 and it was formally declared as the organizing principle of climate talks at a U.N. meeting in Mexico in 2010.

It is an ambitious cap. Temperatures have already risen by 0.85C since 1880, when industrialization became widespread. U.N. studies say that may already be causing irreversible changes, from a meltdown of Greenland's ice to collapse of coral reefs.

The U.N.'s Intergovernmental Panel on Climate Change (IPCC) outlined scenarios last year to stay below 2C that could require cuts in global greenhouse gas emissions lasting decades, at rates of three or even six percent a year.

Such cuts would be unprecedented in modern history: neither the 2009 international recession nor the 1991 collapse of the Soviet Union cut economic activity enough to drive emissions down so fast, the International Energy Agency says.

Cuts of that magnitude may require yet-to-be developed technologies that could, for example, extract carbon dioxide from the air.

"It will not be a piece of cake," said Hans Joachim Schellnhuber, founding director of the Potsdam Institute for Climate Impact Research, who encouraged the EU to adopt the 2C goal and says it is still achievable.

"It would be perhaps comparable to what the United States did in the Second World War - they changed their economy to producing tanks rather than automobiles," he said.

On the other hand, blowing past 2C warming could shift the debate to whether humanity can adapt to 3 or 4 degrees of warming - the current trend for 2100.

Those advocating adaptation to a much hotter planet raise the prospect of designing new drought- or flood-resistant crops, building ever higher sea walls, or even encouraging migrations from lands that can no longer support their populations.

Developing nations reject that talk. "Any increase beyond 2 degrees is a death warrant for our countries," said Tony de Brum, foreign minister of the Marshall Islands in the Pacific. He says rising seas could wipe low-lying states off the map.

He said small island states could block a deal if Paris sets the world on track for high levels of warming. About 100 developing nations want an even more ambitious 1.5C ceiling.

FAILURE NOT AN OPTION

Some experts want alternatives to 2C. New ways of measuring success could be concentrations of greenhouse gases in the atmosphere, or progress towards zero carbon emissions by 2050 or 2100.

Alternatively, the word "overshoot" - describing the long-taboo idea that temperatures can exceed 2C and then fall again - may seep ever more into the debate.

Still, there are reasons for optimism that the Nov. 30-Dec. 11 Paris summit will agree a global deal, succeeding the 1997 Kyoto Protocol that set emissions cuts only for rich nations and avoiding the embarrassing failure of a 2009 climate summit in Copenhagen.

They note that this time, China and the United States, the top emitters, are cooperating for an accord. Corporations have joined in the search for solutions, prices of solar and wind energy have tumbled, and more development aid is on offer.

Political leaders, meanwhile, want to avoid any perceptions of failure in Paris. "There is a Copenhagen syndrome," French Foreign Minister Laurent Fabius said last week. "No world leaders want to (go through) that again."

(Additional reporting by John Irish and Emmanuel Jarry in Paris; editing by David Stamp)


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