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Podcast: What To Do With CO2

Podcast: Grappling with America’s Difficult Climate Choices

How do we do something about the trends in global warming?

Climate Change in Cities: Observations, Impacts, and Solutions

Growing corn for ethanol may lead to increased CO2 emissions from clearing land

Carbon dioxide levels in the atmosphere are increasing

The longest-running effort to track atmospheric CO2 began in 1958

Gallery

Autumn is on the Move Over the past 25 years, the onset of autumn has shifted, with leaves now staying on trees about 10.5 days later across the U.S.

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