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'Exxons of Agriculture' Take Over World Food System

By Paul Brown

The food industry and big agricultural concerns are driving climate change and at the same time threatening to undermine efforts to feed the world's growing population, according to GRAIN, an organization that supports small farmers.

Particularly singled out for criticism are the large chemical fertilizer producers that have gained access to the United Nations talks on climate change. GRAIN accuses them of behaving like the fossil fuel companies did in the 1990s, pushing false information in the hope of delaying real action on climate change.

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Scientists Go to Coldest Place on Earth to Collect Ice Cores for Future Generations to Study

By Alex Kirby

An ambitious scientific expedition is due to start work on May 22 on Bolivia's second-highest mountain, Illimani. The researchers plan to drill three ice cores from the Illimani glacier, and to store two of them in Antarctica as the start of the world's first ice archive.

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The edge of the Filchner-Ronne ice shelf in the Weddell Sea. Ralph Timmermann/AWI

Antarctic Warming Threatens World's Second Largest Ice Shelf

By Tim Radford

German scientists have worked out the process that could destroy an Antarctic ice shelf the size of Iraq.

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NASA

The Planet Is on Course to Breach Warming Limit of 1.5°C Within 10 years, Scientists Warn

By Tim Radford

Australian scientists have warned that planetary average temperatures could breach the internationally agreed target barrier of a 1.5°C rise as early as 2026.

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Oxygen Levels in Oceans Plummet as Planet Warms

By Tim Radford

U.S. scientists who have been warning that warmer oceans are more likely to be poorer in dissolved oxygen have now sounded the alarm: ocean oxygen levels are indeed falling, and seemingly falling faster than the corresponding rise in water temperature.

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A 130-metre-wide waterfall drains meltwater from the Nansen Ice Shelf into the ocean. Stuart Rankin via Flickr

Giant Waterfall in Antarctica Worries Scientists

By Tim Radford

Scientists poring over military and satellite imagery have mapped the unimaginable: a network of rivers, streams, ponds, lakes and even a waterfall, flowing over the ice shelf of a continent with an annual mean temperature of more than -50C.

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A coastal glacier in southern Greenland mirrored in the sea. Photo credit: Claire Rowland via Flickr

Greenland's Coastal Glaciers in Terminal Decline

By Tim Radford

By the century's end, some of Greenland's ice will have vanished forever.

New research shows that the coastal glaciers and ice caps are melting faster than ever before and may have already reached the point of no return two decades ago. That is because they have passed the stage at which they can refreeze their own meltwater.

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Nuclear Giants Limp Towards Extinction

By Paul Brown

Any lingering hope that a worldwide nuclear power renaissance would contribute to combating climate change appears to have been dashed by U.S. company Westinghouse, the largest provider of nuclear technology in the world, filing for bankruptcy, and the severe financial difficulties of its Japanese parent company, Toshiba.

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