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Natural shields against global warming being weakened: study

PARIS — The soil and the ocean are being weakened as buffers against global warming, in a vicious circle with long-term implications for the climate system, say two new investigations. If the seas and the land are less able to soak up or store greenhouse gases, more of these carbon…

Curb soot and smog to keep Earth cool, says UN

PARIS (AFP) – Sharply reducing emissions of soot and smog could play a critical role in preventing Earth from overheating, according to a UN report released on Tuesday. Curbing these pollutants could also boost global food output and save millions of lives lost to heart and lung disease, said the…

Brazil needs to unblock climate talks: Bill Clinton

MANAUS, Brazil (AFP) – US ex-president Bill Clinton urged Brazil to push to get global climate change talks unblocked by getting key trade partners, the United States and China, to curb greenhouse gas emissions. “You cannot create a sustainable future for Brazil alone; you have got to convince enough other…

Global warming could spur toxic algae, bacteria in seas

WASHINGTON (AFP) – Global warming could spur the growth of toxic algae and bacteria in the world’s seas and lakes, with an impact that could be felt in 10 years, US scientists said Saturday. Studies have shown that shifts brought about by climate change make ocean and freshwater environments more…

Thawing permafrost may speed global warming: study

WASHINGTON – Global warming could cause up to 60 percent of the world’s permafrost to thaw by 2200 and release huge amounts of carbon into the atmosphere that would further speed up climate change, a study released Wednesday warned. Using projections based on UN Intergovernmental Panel on Climate Change (IPCC)…

Increased flooding driven by climate change: study

PARIS – Global warming driven by human activity boosted the intensity of rain, snow and consequent flooding in the northern hemisphere over the last half of the 20th century, research released Wednesday has shown. Two studies, both published in Nature, are among the first to draw a straight line between…

Biting winters driven by global warming: scientists

PARIS — Counter-intuitive but true, say scientists: a string of freezing European winters scattered over the last decade has been driven in large part by global warming. The culprit, according to a new study, is the Arctic’s receding surface ice, which at current rates of decline could to disappear entirely…

Scientists: It’s not too late yet for polar bears

Global warming study finds slight hope for polar bears, no tipping point for loss of sea ice Two groups of scientists are suggesting a sliver of hope for the future of polar bears in a warming world. A study published online Wednesday rejects the often used concept of a “tipping…

2010 to be among warmest years ever: UN experts

CANCUN, Mexico — The year 2010 will be one of the warmest ever, climaxing a record-breaking decade, the UN’s World Meteorological Organization said at global climate talks Thursday. “2010 is almost certain to be in the top three warmest years on record,” WMO Secretary General Michel Jarraud told a press…

House Republicans kill climate change committee

WASHINGTON — US President Barack Obama’s Republican foes in the House of Representatives said Wednesday they were disbanding the chamber’s committee on battling global warming, calling it a waste of money. Democrats immediately assailed what they branded the “very disappointing” decision to dismantle the Select Committee on Global Warming, which…

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