By 
Al Gore
 | 
TED Stage Talk

The case for optimism on climate change

Why is Al Gore optimistic about climate change? In this spirited talk, Gore asks three powerful questions about the man-made forces threatening to destroy our planet -- and the solutions we're designing to combat them. (Featuring Q&A with TED curator Chris Anderson)

Related tags:

climate change
weather
science
energy
electricity
renewable energy
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