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HARDtalk speaks to the original tree hugger. The phrase was coined back in the seventies when she, along with a group of women in India, hugged trees to stop them from being chopped down. In the decades since, Vandana Shiva has become known throughout the world for her environmental campaigns. She says a billion people go hungry in the world because of the way greedy international companies go about their business. So is it a na茂ve world view or could we really end poverty and improve everyone's life by returning to old fashioned ways of farming?