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Syndication

Mon, 13 May 2013
400 Parts in a Million: The World's Biggest Experiment

On May 9, 2013, the concentration of carbon dioxide gas in the Earth’s atmosphere reached 400 parts per million. What does this mean for us?

Direct download: 400_Parts_in_a_Million_The_Worlds_Biggest_Experiment.mp4
Category:general -- posted at: 10:00am EDT