28 Mar '12, 7pm

New UN Report Warns That Some Climate Effects Are Already 'Baked In'

Low Regrets. That's a seemingly benign phrase that appears in a new almost 600 page study on climate change impacts from the Intergovernmental Panel on Climate Change . "Low regrets" is used to describe the urgent policy choices that governments should be making now to avoid the worst possible consequences for people and ecosystems from our changing climate. Such policies are needed now because we've gone so far, so fast--we are at 397 ppm of CO2 in the atmosphere when scientists say we use return to a safe level of 350ppm--and our pollution mitigation and climate adaptation strategies are lacking in rigor, seriousness, and imagination. This was the message from Chris Field, director of the Carnegie Institution's department of global ecology and a lead author of the report. "That's a time frame where most of the climate change that will occur is already baked into the syst...

Full article: http://www.treehugger.com/climate-change/climate-effects-...

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