In July, China started construction on the world’s biggest hydroelectric dam, a project that’s set to be the biggest single source of green power globally. Here's what the project entails and why it's so controversial https://t.co/ZZKyHpRQqn ...

China has started construction of the world’s biggest hydroelectric dam in Tibet that would cost around $167 billion.@SStapczynski explains the sheer scale of the project and why it's got countries like India and Bangladesh concerned https://t.co/jmCDDeScOP https://t.co/H3qEReYqZ5 ...