The level of CO2 in the atmosphere broke previous records, crossing the 400 ppm mark last week. What does it mean for climate change

Over 30 million in 1 year. And that's just the tip of the iceberg.

Francis Xavier shared 350.org's photo.

Yesterday at 10:45am · 

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  Over 30 million in 1 year. And that's just the tip of the iceberg.
  
  This is the grimmest reality of climate change. Please SHARE if you're sick of seeing people forced out of their homes while the fossil fuel companies make billions.
  
  http://www.trust.org/item/20130513114557-uo68q/