2012 Rise In CO2 Levels Second-Highest In 54 Years
March 6, 2013 2:19 AM Subscribe
The prospects of keeping climate change below that (2-degree goal) are fading away. Scientists track carbon pollution both by monitoring what comes out of factories and what winds up in the atmosphere. Both are rising at rates faster than worst-case scenarios that climate scientists used in their most recent international projections.
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