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Overhead photo of Heliogen's mirrored solar energy project which recently announced a major solar energy breakthrough.
President Donald J. Trump and Republic of South Korea President Moon Jae-in bid farewell to Chairman of the Workers’ Party Kim Jong Un Korea Sunday, June 30, 2019, at the demarcation line separating North and South Korea at the Korean Demilitarized Zone. (Photo: Shealah Craighead)
Wind turbines in a rapeseed field in Sandesneben, Germany.
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