Renewables are now the world’s leading source of electricity and China has boosted its solar and wind capacity more than the rest of the world combined. But it’s also one of the world’s biggest polluters and is thought to be behind 30% of global emissions. So what's behind the country's boom in green energy - and are other countries set to follow suit?

Tony Han from the BBC’s Global China Unit explains why China is pushing ahead in renewable energy — and how we might power our homes, gadgets and daily lives in the future.

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