Matt Ridley: Burning fossil fuels is greening the planet

Matt Ridley, author of the The Rational Optimist, talks about a curious global trend that is just starting to receive attention. Over the past three decades, our planet has actually gotten greener. Reason? Matt Ridley explains that it’s because of the burning of fossil fuels! It’s an amazing, astonishing discovery, but one that’s incredibly unwelcome for the environmentalists. The optimist could even say this phenomenon is the earth regulating itself.