What China's solar panel obsession means for the world

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China's latest trade data show another huge surplus, putting the country on course for what could be a record $1.5 trillion trade surplus this year. In the first of two episodes examining China's export machine, we look at the country's massive solar panel industry. We hear from the so-called Sun King, Dr Jerry Shi, China's first solar billionaire, about the rise of solar power in China. Ed Butler also examines how solar power and other green technologies have helped drive the global response to climate change, while critics raise concerns about oversupply and its impact on industries and economies around the world. Presenter/producer: Ed Butler You can email the team: businessdaily@bbc.co.uk (Picture: Workers are seen at a production line manufacturing solar photovoltaic components at a factory in Huzhou, Zhejiang province, China. Credit: Lin Yunlong/Zhejiang Daily via Reuters)