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Atmospheric Co2 Levels

Planet Passes Major CO2 Milestone

The Huffington Post | James Gerken | Posted 05.10.2013 | Green

Atmospheric concentrations of carbon dioxide surpassed a notable milestone this week. They reached a daily average above 400 parts per million, re...

Ice Bubbles May Solve Carbon-Temperature Paradox

Posted 03.01.2013 | Green

From Climate Central's Michael D. Lemonick: Scientists may have resolved a long-standing puzzle in climate science by showing that ancient increase...