Record-breaking amounts of ice-free water have deprived the Arctic of more of its natural "sunscreen" than ever in recent summers. The effect is so pronounced that sea surface temperatures rose to 5 C above average in one place this year, a high never before observed, says the oceanographer who has compiled the first-ever look at average sea surface temperatures for the region.
Such superwarming of surface waters can affect how thick ice grows back in the winter, as well as its ability to withstand melting the next summer, according to Michael Steele, an oceanographer with the University of Washington's Applied Physics Laboratory. Indeed, since September, the end of summer in the Arctic, winter freeze-up in some areas is two months later than usual.
Showing posts with label Climate Change. Show all posts
Showing posts with label Climate Change. Show all posts
Tuesday, December 18, 2007
Melting
Science Daily:
Labels:
Climate Change,
Global Warming
WWF: Global Warming Endangers Penguins
Science Daily:
The penguin population of Antarctica is under pressure from global warming, according to a WWF report.
The report, Antarctic Penguins and Climate Change, shows that the four populations of penguins that breed on the Antarctic continent — Adélie, Emperor, Chinstrap and Gentoo — are under escalating pressure. For some, global warming is taking away precious ground on which penguins raise their young. For others, food has become increasingly scarce because of warming in conjunction with overfishing.
"The Antarctic penguins already have a long march behind them," says Anna Reynolds, Deputy Director of WWF’s Global Climate Change Programme.
Labels:
Climate Change,
Global Warming
Wednesday, December 12, 2007
Surprise...
Spiegel Online:
It sounds good -- at first. The US says it wants to be part of a climate treaty and looks forward to a new chapter in climate policy. But a closer look reveals that Washington continues to torpedo any concrete agreement.
When it comes to climate change, America's image in the world is hardly the best. Wherever countries are trying to limit emissions of greenhouse gases, the US -- and especially the administration of President George W. Bush -- is seen as a dangerous spoil-sport, doing what it can to torpedo far-reaching climate agreements.
Labels:
Climate Change,
Global Warming
Perspectives
Guardian:
What breakthrough would best advance the fight against climate change?Read the answers.
As delegates gather in Indonesia to seek a new deal, leading thinkers nominate the big boost needed in the face of a rapidly warming planet
Labels:
Climate Change,
Global Warming
Tuesday, December 11, 2007
Melting
Reuters:
The Greenland ice sheet melted at a record rate this year, the largest ever since satellite measurements began in 1979, a top climate scientist reported on Monday.
"The amount of ice lost by Greenland over the last year is the equivalent of two times all the ice in the Alps, or a layer of water more than one-half mile deep covering Washington DC," said Konrad Steffen of the University of Colorado at Boulder.
Using data from military and weather satellites to see where the ice is melting, Steffen and his colleagues were able to monitor the rapid thinning and acceleration of ice as it moved into the ocean at the edge of the big arctic island.
The extent of the melt area was 10 percent greater than the last record year, 2005, the scientists found.
Labels:
Climate Change,
Global Warming
Monday, December 10, 2007
If it quacks like a duck
New York Times:
We’re having milder falls, later winters,” said Dave Erickson, chief of the wildlife division for the Missouri Department of Conservation. “What we don’t know is if the trend that affects migration and the hunters’ desire for a longer hunting season is a temporary fixture or a permanent fixture.”
Sure science is elusive. Scientists and state wildlife officials say there is not clear-cut data to support the reports of changes in duck behavior, but the patterns are familiar. They note that various other animal species, including songbirds, frogs and foxes, are developing different patterns for breeding and migration.
“We’re seeing northern range shifts of lots of birds and butterflies,” said Camille Parmesan, a professor of conservation biology at the University of Texas and a member of the United Nations panel that was recently awarded the Nobel Peace Prize for its work documenting climate change.
Labels:
Climate Change,
Global Warming
Saturday, December 8, 2007
Save the rainforests, save the world
Washington Post:
As 12,000 people gathered in Bali this week to begin framing a global response to Earth's warming climate, efforts to close a deal that would slow destruction of tropical forests appear to be the best prospect for a concrete achievement from the historic assemblage.
But the deforestation issue is also Exhibit A for the disputes that have made climate negotiations lengthy and divisive despite widening agreement that global warming is real and largely man-made. While scientific dispute over what causes global warming has ended, the debate over how to address it has just begun.
Deforestation is one of the biggest drivers of the buildup of greenhouse gases in the atmosphere. Each year, tropical forests covering an area at least equal to the size of New York state are destroyed; the carbon dioxide that those trees would have absorbed amounts to 20 percent of the world's greenhouse gas emissions, about the same as total U.S. emissions.
The bargain is being championed by a dozen of the world's developing countries at the conference, whose ultimate goal is to map out a two-year path aimed at forging a global system for imposing and enforcing reductions in greenhouse gas emissions.
But the hoped-for compromise -- which would give financial rewards to poor nations that slow or halt the destruction of their forests -- could still founder amid divisions over who bears how much responsibility for slowing climate change -- and who should pay for it.
Labels:
Climate Change,
Global Warming,
Rainforests
Wednesday, December 5, 2007
Now or never
Salon:
A world with 30 percent fewer species. Huge water shortages caused by disappearing glaciers affecting hundreds of millions of people. Tropical rain forests dying out as ground water disappears. An accelerating overall rise in world temperatures. All this and more could be the world's fate in just a few short decades.
That, at least, is the ominous tale told by the report released this spring by the Intergovernmental Panel on Climate Change (IPCC). This month, though, the IPCC said it had made a mistake. Our future is actually much bleaker. The original predictions had been based on current emissions of greenhouse gases. As it happens, such emissions are still climbing by 3 percent each year.
"Scientists are telling us we have a very small window of time in which to act," Yvo de Boer, executive secretary of the United Nation's Framework Convention on Climate Change (UNFCCC), told SPIEGEL ONLINE. "We have 10 or 15 years to turn global emissions from their current upward trend to an extreme downward trend."
That small window of time begins Monday on the Indonesian holiday island of Bali. Over 10,000 diplomats and scientists from around the globe will gather to begin the task of reaching an agreement that will perhaps lead the world away from the climate change brink. The challenge, though, is immense. The first such UNFCCC-brokered emissions agreement, widely known as the Kyoto Protocol, has done little to halt rising temperatures and a concurrent rise in apparently climate-related natural catastrophes. With Kyoto expiring in 2012, a sense of urgency surrounds the round of talks kicking off on Monday. And Europe is hoping to lead the charge.
Labels:
Climate Change,
Global Warming
Thursday, November 29, 2007
Lake Inferior
Science:
This fall, the water level of Lake Superior, the world's largest freshwater lake, dipped below the record it set in the Dust Bowl days of 1926. In September, the 1540-square-kilometer lake on the Canadian border was at its lowest since record-keeping began in 1860--with an average depth of 183 meters. October's level went up after several weeks of rain but was still 30 cm below the long-term average. Boats are resting on mud, docks are poking nothing but air, and fishermen and lakeside rice growers are watching their livelihoods dry up.
Some factors that explain the mess: The surface temperature of the lake has mysteriously risen 4.5°C since 1978--twice as fast as the temperature of the surrounding air. Ice, which blocks evaporation, has become rare on Superior, and precipitation has dropped 15 cm a year from the annual average of 77 cm.
Labels:
Climate Change
Wednesday, November 28, 2007
Diseased
Associated Press:
An outbreak in Europe of an obscure disease from Africa is raising concerns that globalization and climate change are combining to pose a health threat to the West.
Nearly 300 cases of chikungunya fever, a virus that previously has been common only in Africa and Asia, were reported in Italy — where only isolated cases of the disease had been seen in the past.
"We were quite surprised," said Stefania Salmaso, director of Italy's Center for Epidemiology at the National Health Institute. "Nobody was expecting that such an unusual event was going to happen."
While the outbreak was largely the result of stronger trade and travel ties, some experts believe it is a sign of how global warming is creating new breeding grounds for diseases long confined to subtropical climates.
Labels:
Climate Change,
Global Warming
Monday, November 26, 2007
As the world burns
Guardian:
A group of rich countries including Britain has broken a promise to pay more than a billion dollars to help the developing world cope with the effects of climate change. The group agreed in 2001 to pay $1.2bn (£600m) to help poor and vulnerable countries predict and plan for the effects of global warming, as well as fund flood defences, conservation and thousands of other projects. But new figures show less than £90m of the promised money has been delivered. Britain has so far paid just £10m.
The disclosure comes after Gordon Brown said this week that industrialised countries must do more to help the developing world adapt to a changed climate, and two weeks before countries meet in Bali to begin negotiations on a new global deal to regulate emissions which is expected to stress the need for all countries to adapt.
Andrew Pendleton, climate change policy analyst at Christian Aid, said: "This represents a broken promise on a massive scale and on quite a cynical scale as well. Promising funds for adaptation is exactly the kind of incentive the rich countries will offer at Bali to bring the developing world on board a new climate deal. This is the signal we are seeing on all fronts, that the developed countries are unwilling to fulfil their moral and legal commitments."
Labels:
Climate Change,
Global Warming
It's Worse
Been behind updating this site, so this is now a little old, but needs be stored.
New York Times:
New York Times:
In its final and most powerful report, a United Nations panel of scientists meeting here describes the mounting risks of climate change in language that is both more specific and forceful than its previous assessments, according to scientists here.
Synthesizing reams of data from its three previous reports, the United Nations Intergovernmental Panel on Climate Change for the first time specifically points out important risks if governments fail to respond: melting ice sheets that could lead to a rapid rise in sea levels and the extinction of large numbers of species brought about by even moderate amounts of warming, on the order of 1 to 3 degrees.
The report carries heightened significance because it is the last word from the influential global climate panel before world leaders meet in Bali, Indonesia, next month to begin to discuss a global climate change treaty that will replace the Kyoto protocol, which expires in 2012. It is also the first report from the panel since it was awarded the Nobel Peace Prize in October — an honor that many scientists here said emboldened them to stand more forcefully behind their positions.
As a sign of the deepening urgency surrounding the climate change issue, the report, which was being printed Friday night, will be officially released by Secretary General Ban Ki-moon on Saturday.
Labels:
Climate Change,
Global Warming,
IPCC
Sinking
Los Angeles Times:
Kivalina is disappearing, the victim of a warming world and a steady natural erosion that probably began long before the Eskimos settled here 100 years ago.
"You see the white water out there?" Swan said, pointing to some ripples a couple hundred feet offshore. "That's where the beach used to be."
When he was growing up here in the 1970s, the ocean would freeze each fall into a slush the thickness of mashed potatoes. Waves from the storms would crash into the ice, not the shore.
Lately, the autumn ocean has been a vast, iceless expanse that leaves the beach vulnerable to waves. The island is now a sliver of sand and permafrost less than 600 feet across at its widest point. The Army Corps of Engineers estimates it will be 10 to 15 years before the ground beneath the clump of clapboard houses washes away.
Labels:
Climate Change,
Global Warming
Friday, November 16, 2007
What's wrong with this picture?
New York Times:
In its final and most powerful report, a United Nations panel of scientists meeting here describes the mounting risks of climate change in language that is both more specific and forceful than its previous assessments, according to scientists here.Guardian:
Synthesizing reams of data from its three previous reports, the United Nations Intergovernmental Panel on Climate Change for the first time specifically points out important risks if governments fail to respond: melting ice sheets that could lead to a rapid rise in sea levels and the extinction of large numbers of species brought about by even moderate amounts of warming, on the order of 1 to 3 degrees.
The report carries heightened significance because it is the last word from the influential global climate panel before world leaders meet in Bali, Indonesia, next month to begin to discuss a global climate change treaty that will replace the Kyoto protocol, which expires in 2012. It is also the first report from the panel since it was awarded the Nobel Peace Prize in October — an honor that many scientists here said emboldened them to stand more forcefully behind their positions.
As a sign of the deepening urgency surrounding the climate change issue, the report, which was being printed Friday night, will be officially released by Secretary General Ban Ki-moon on Saturday.
The government department spearheading the fight against climate change is planning an emergency package of at least £300m of cuts covering key environmental services, the Guardian has learned.
Frontline agencies tackling recycling, nature protection, energy saving, carbon emissions and safeguarding the environment are all being targeted in the package which is being drawn up by Helen Ghosh, the top civil servant at the Department for the Environment, Food and Rural Affairs.
Details of the cuts have emerged just as the UN's Intergovernmental Panel on Climate Change is due to publish its latest report. The study, to be made public today ahead of a UN climate meeting in Bali, will warn that all forms of carbon pollution from flights to inefficient light bulbs must become more expensive if the world is to avert catastrophic effects of warming.
The disclosure of the Defra cuts plan will embarrass Gordon Brown, who is expected next week to give a major speech on climate change, recommitting Britain to supplying a fifth of its energy requirements from renewables by 2020. Previously government officials had said Britain would struggle to meet the target and lobbied to be allowed to use different statistics.
Labels:
Britain,
Climate Change,
Global Warming,
Gordon Brown
Smithsonian exhibit denied science, downplayed global warming
Washington Post:
Some government scientists have complained that officials at the Smithsonian's National Museum of Natural History took steps to downplay global warming in a 2006 exhibit on the Arctic to avoid a political backlash, according to documents obtained by The Washington Post.
The museum's director, Cristián Samper, ordered last-minute changes to the exhibit's script to add "scientific uncertainty" about climate change, according to internal documents and correspondence.
Scientists at other agencies collaborating on the project expressed in e-mails their belief that Smithsonian officials acted to avoid criticism from congressional appropriators and global-warming skeptics in the Bush administration. But Samper said in an interview last week that "there was no political pressure -- not from me, not from anyone."
Samper put the project on hold for six months in the fall of 2005 and ordered that the exhibition undergo further review by higher-level officials in other government agencies. Samper also asked for changes in the script and the sequence of the exhibit's panels to move the discussion of recent climate change further back in the presentation, records also show. The exhibit opened in April 2006 and closed in November of that year.
Labels:
Climate Change,
Global Warming
Katrina damaged carbon sink
Science Daily:
With the help of NASA satellite data, a research team has estimated that Hurricane Katrina killed or severely damaged 320 million large trees in Gulf Coast forests, which weakened the role the forests play in storing carbon from the atmosphere. The damage has led to these forests releasing large quantities of carbon dioxide to the atmosphere.
Labels:
Climate Change,
Global Warming,
Hurricane Katrina
Saturday, November 10, 2007
The risk is not in the politics, it's in ignoring the facts
Washington Post:
All of the leading Democratic contenders for the presidency are committed to a set of cuts in greenhouse gas emissions that would change the way Americans light their homes, fuel their automobiles and do their jobs, costing billions of dollars in the short term but potentially, the candidates say, saving even more in the decades to follow.And the Republicans?
While Democrats are working to outdo each other on climate change -- New Mexico Gov. Bill Richardson, for example, supports a 90 percent greenhouse gas reduction by midcentury -- GOP presidential candidates remain more skeptical, to say the least. Former senator Fred D. Thompson (Tenn.) stands by his commentary on National Review Online that warming on other planets has led some people "to wonder if Mars and Jupiter, non signatories to the Kyoto Treaty, are actually inhabited by alien SUV-driving industrialists who run their air-conditioning at 60 degrees and refuse to recycle."Could it possibly be more clear that every Democratic candidate is better than every Republican candidate?
Former New York mayor Rudolph W. Giuliani said in the wake of Gore's Nobel Prize win that when it comes to global warming, "if we try to deal with it at too hysterical a pace, we could create problems."
Among Republicans, only Sen. John McCain (Ariz.) -- who began crusading against climate change after a heckler dressed as a penguin followed him around New Hampshire during his 2000 presidential bid -- backs a specific, 60 percent cut in greenhouse gases by 2050. Former Arkansas governor Mike Huckabee endorsed a mandatory carbon cap last month but has not laid out specifics.
Labels:
Climate Change,
Democrats,
Global Warming,
Republicans
Another problem
Guardian:
Many of the largest food and fuel companies risk climate change disaster by driving the demand for palm oil and biofuels grown on the world's greatest peat deposits, a report will say today.
Unilever, Cargill, Nestlé, Kraft, Procter & Gamble, as well as all leading UK supermarkets, are large users of Indonesian palm oil, much of which comes from the province of Riau in Sumatra, where an estimated 14.6bn tonnes of carbon - equivalent to nearly one year's entire global carbon emissions - is locked up in the world's deepest peat beds.
More than 1.4m hectares of virgin forest in Riau has already been converted to plantations to provide cooking oil, but a further 3m hectares is planned to be turned to biofuels, says the Greenpeace report.
Labels:
Big Agro,
Climate Change
Tuesday, October 23, 2007
Great
Guardian:
Ministers are planning a U-turn on Britain's pledges to combat climate change that "effectively abolishes" its targets to rapidly expand the use of renewable energy sources such as wind and solar power.
Leaked documents seen by the Guardian show that Gordon Brown will be advised today that the target Tony Blair signed up to this year for 20% of all European energy to come from renewable sources by 2020 is expensive and faces "severe practical difficulties".
According to the papers, John Hutton, the secretary of state for business, will tell Mr Brown that Britain should work with Poland and other governments sceptical about climate change to "help persuade" German chancellor Angela Merkel and others to set lower renewable targets, before binding commitments are framed in December.
It admits that allowing member states to fall short of their renewable targets will be "very hard to negotiate ... and will be very controversial". "The commission, some member states and the European parliament will not want the target to be diluted, though others may be allies for a change," says a draft copy of Mr Hutton's Energy Policy Presentation to the Prime Minister, marked "restricted - policy".
Labels:
Britain,
Climate Change,
Global Warming,
Gordon Brown
Sunday, October 7, 2007
Melting
Assoicated Press:
Thousands of walrus have appeared on Alaska's northwest coast in what conservationists are calling a dramatic consequence of global warming melting the Arctic sea ice.
Alaska's walrus, especially breeding females, in summer and fall are usually found on the Arctic ice pack. But the lowest summer ice cap on record put sea ice far north of the outer continental shelf, the shallow, life-rich shelf of ocean bottom in the Bering and Chukchi seas.
Walrus feed on clams, snails and other bottom dwellers. Given the choice between an ice platform over water beyond their 630-foot diving range or gathering spots on shore, thousands of walrus picked Alaska's rocky beaches.
"It looks to me like animals are shifting their distribution to find prey," said Tim Ragen, executive director of the federal Marine Mammal Commission. "The big question is whether they will be able to find sufficient prey in areas where they are looking."
Labels:
Climate Change,
Global Warming
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