China has approved what is set to become the biggest hydropower dam complex in the world, capable of producing nearly three times as much power as the current record-holder, the Three Gorges Dam. The project is slated to be built on the Yarlung Zangbo River in Tibet near the border of India at a cost of US$137 billion. It's part of China's 14th "Five-Year Plan," which includes environmental goals to accelerate renewable energy and fight pollution. The location of the proposed dam looks to take ...