What do we know about climate change, really?

May 5, 2019 - Contemporary Issues 
Topic: 97% of the world’s climate scientists agree that the planet is warming, that the climate is changing, and that humans are causing the problem by emitting greenhouse gases into the atmosphere. What do we really know about climate change? How do we know it? 
This class included a TED Talk, not in the recorded audio. Watch the talk on the TED website or embedded here:
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Class Audio: What do we know about climate change, really?
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File Type:	mp3

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