NASA, CO2, étude, pas bien,...
NASA, CO2, étude, pas bien, http://t.co/ndmDrFffPt cc @starfennec @jBleuzen @netatmo
May 23, 2013
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10 NASA scientists speak on 400 ppm CO2 milestone
Earlier this month, our atmosphere crossed an important - and potentially dangerous - milestone: Based on readings from the Mauna Loa Observatory in Hawaii, we reached 400 ppm of CO2 for the first time in about 3 million years. NASA has posted some reactions from 10 climate scientists on this historic event.
http://www.treehugger.com/climate-change/10-nasa-scientists-speak-400-ppm-co2-milestone.html
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