Climate

Ice bridge holding Antarctic ice shelf cracks up

An ice bridge which had apparently held a vast Antarctic ice shelf in place during recorded history shattered on Saturday and could herald a wider collapse linked to global warming, a leading scientist said.

Climate clock is ticking
April 5, 2009 07:00 AM - WILLIAM MARSDEN, The Montreal Gazette

In the summer of 2007, a large portion of Arctic Sea ice - about 40 per cent - simply vanished. That wasn't supposed to happen. At least not yet. As recent as 2004, scientists had predicted it would take another 50 to 100 years for that much ice to melt. Yet here it was happening today.

A Sustainable Business View on Economy, Climate
April 4, 2009 07:16 AM - Ben Block, Worldwatch Institute

As leaders of the world's 20 largest economies gathered in London this week, international financial institutions announced that the world economy would likely deteriorate more in 2009 than was previously feared. The Organisation for Economic Co-operation and Development predicted that economic activity would shrink 2.7 percent; the World Bank projected a slightly more optimistic contraction of 1.7 percent.

Mercury in seals linked to vanishing sea ice

Every summer, seal hunters in the village of Ulukhaktok in Canada’s Northwest Territories carve out small pieces of muscle from ringed seals during their annual subsistence hunt. As part of their collaboration with Arctic researchers, they carefully bag the tissue samples, draw blood, and measure each seal. After more than 30 years of monitoring the seals, the researchers have noticed a disturbing pattern: levels of the dangerous metal mercury in the seals are connected to the state of sea ice on the ocean. The new research, published in ES&T, reveals that more mercury may be spiraling up the food chain as sea ice disappears.

Warming Takes Center Stage As Australian Drought Worsens
April 3, 2009 11:13 AM - Keith Schneider, Environment 360

With record-setting heat waves, bush fires and drought, Australians are increasingly convinced they are facing the early impacts of global warming. Their growing concern about climate change has led to a consensus that the nation must now act boldly to stave off the crisis.

Ice-free Arctic Ocean Possible In 30 Years, Not 90 As Previously Estimated
April 3, 2009 05:25 AM - ScienceDaily

A nearly ice-free Arctic Ocean in the summer may happen three times sooner than scientists have estimated. New research says the Arctic might lose most of its ice cover in summer in as few as 30 years instead of the end of the century.

Highlights of draft bill to curb global warming
April 2, 2009 06:38 AM - Macon.com from The Associated Press

House Democratic leaders released a first draft of legislation to curb emissions from global warming. Here are the highlights: CAP-AND-TRADE PROGRAM RENEWABLE ELECTRICITY STANDARD COAL MEASURES

House Climate Bill Aims to Please Environmental and Business Interests
April 1, 2009 11:06 AM - Juliet Eilperin, The Washington Post

House Democrats introduced an ambitious climate bill yesterday aimed at pleasing both environmental and business interests, even as Senate leaders acknowledged that the party faces serious challenges in trying to pass a carbon limit in the near future.

2010 Games officials eye global warming costs
March 31, 2009 11:32 AM - Allan Dowd, Reuters

Organizers of the 2010 Olympic Winter Games said on Monday they are confident they can find sponsors to help with the estimated C$4.5 million ($3.6 million) cost of keeping the event from adding to global warming.

Glacier dust key to past climates
March 31, 2009 09:49 AM - BBC News

Ancient dust buried deep in Antarctic ice sheets could hold information about climate change, a study has suggested.

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