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Mother Nature Network • Greenhouse gas emissions hit record levels in 2011...

20

Nov

Greenhouse gas emissions hit record levels in 2011Carbon dioxide levels are now at 390.9 parts per million, well above what scientists consider the tipping point for the effects of climate change.

Greenhouse gas emissions hit record levels in 2011
Carbon dioxide levels are now at 390.9 parts per million, well above what scientists consider the tipping point for the effects of climate change.

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    -Pollution in the air!
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