News tagged with greenhouse warming

Biggest jump ever seen in global warming gases

(AP) -- The global output of heat-trapping carbon dioxide jumped by the biggest amount on record, the U.S. Department of Energy calculated, a sign of how feeble the world's efforts are at slowing man-made ...

dateNov 03, 2011 in Environment
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Future holds more extreme weather

(AP) -- For a world already weary of weather catastrophes, the latest warning from top climate scientists paints a grim future: More floods, more heat waves, more droughts and greater costs to deal with them.

dateNov 01, 2011 in Environment
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Report: EPA cut corners on climate finding

(AP) -- The Obama administration cut corners before concluding that climate-change pollution can endanger human health, a key finding underpinning costly new regulations, an internal government watchdog said Wednesday.

dateSep 28, 2011 in Environment
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Water evaporated from trees cools global climate

Scientists have long debated about the impact on global climate of water evaporated from vegetation. New research from Carnegie's Global Ecology department concludes that evaporated water helps cool the earth as a whole, ...

dateSep 14, 2011 in Earth Sciences
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Rising oceans - too late to turn the tide?

Melting ice sheets contributed much more to rising sea levels than thermal expansion of warming ocean waters during the Last Interglacial Period, a UA-led team of researchers has found. The results further ...

dateJul 15, 2011 in Earth Sciences
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UN meets to mull climate change quick-fix options

On the heels of another halting round of talks on climate change, UN scientists this week will review quick-fix options for beating back the threat of global warming that rely on technology rather than political ...

dateJun 19, 2011 in Environment
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