Introducing: The Climate Question: China's green energy revolution

China is installing solar panels and wind turbines so fast that its greenhouse gases emissions may now have peaked. If this trend is confirmed, it would be a major milestone in the fight against climate change because China is the world's largest polluter. The BBC’s Beijing Correspondent Laura Bicker has travelled across China to see the country’s clean energy revolution first hand. She’s visited solar farms in the deserts of Inner Mongolia and in the tea plantations of Yunnan. Laura even discovered a huge lake with panels floating on the surface!