World will get half its power from wind, solar by 2050

An aerial view of a water based solar farm operated by the China Energy Conservation and Environmental Protection Group on the outskirts of Jiaxing, China on Friday, 07 September 2018. Photographer: Qilai Shen
An aerial view of a water based solar farm operated by the China Energy Conservation and Environmental Protection Group on the outskirts of Jiaxing, China on Friday, 07 September 2018. Photographer: Qilai Shen

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