Science Dec 21

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Mauna Loa Birthplace of Global CO2 Monitoring

As nations move forward with managing carbon dioxide emissions, how will they track their progress? The answer comes in part from a global network of CO2 sampling sites that was born decades ago at Mauna Loa in Hawaii.

Science Dec 21

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Watch
A Look at Climate Change After Copenhagen

In the aftermath of the Copenhagen climate summit, about the only thing certain is the need for more talks. Ray Suarez speaks with Jeffrey Brown about how the nonbinding agreement struck in Copenhagen will impact future negotiations.