By 2050 we will need to produce 10 trillion watts of clean energy to meet the world demand and combat the destructive impact of global warming. Damming up every lake and stream in the world would produce 5 trillion watts. A nuclear power option would work if you brought a new plant online every two days from now to 2050. So power from the sun is perhaps the best option and artificial photosynthesis could be the answer we are looking for.
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