Climate change: China's green power surge offers hope on warming

Wind and solar power are booming in China and may help limit global carbon emissions far faster than expected, according to a new study.

Solar panel installations alone are growing at a pace that would increase global capacity by 85% by 2025.

The report says the country's green energy targets for 2030 look set to be exceeded five years ahead of schedule.

But coal plants are also increasing, partly as backup for all the new wind and solar farms, the authors say.

China is often seen as the key to the world's efforts to rein in the carbon emissions that are the root cause of climate change.

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