CO2 in atmosphere passes milestone level

May 10, 2013 Full story: The Guardian

For the first time in human history, the concentration of climate-warming carbon dioxide in the atmosphere has passed the milestone level of 400 parts per million .

Full Story
SpaceBlues

Houston, TX

#1 May 10, 2013
Benchmark monitoring station detects in Hawaii record levels of carbon dioxide, higher than ever above 'safe' 350ppm mark

http://www.guardian.co.uk/environment/interac...

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