User Clip: Obama Talks Global Warming
Explains how it can affect us
- 36 seconds
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POTUS on Negative Feedback off runaway greenhouse effect
POTUS gives grim outlook without stong action, call out deniers.
Explaining the science and economcis of climate change
Since 1979, the summer sea ice in the Arctic has decreased by more than 40 percent -- a decrease that has dramatically accelerated over the past two decades. One new study estimates that Al…
We have the power to set our course, to decide.