Why is Al Gore optimistic about climate change? In this spirited TED 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.
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Peak Oil. I thought to begin with that the world's supplies of olive oil were running dangerously low, I thought it's the end of salad dressing as we know it. But it's not, it's OK. It's bad, but it's not as bad as that...
Matt Harvey