We are a solar-powered planet; the vast majority of energy needed for life on Earth comes from the sun – and a lot of it, including food and fossil fuels, is the result of plant-based photosynthesis – the conversion of sunlight, water and carbon dioxide into oxygen and sugars. The first chemical step in photosynthesis happens in the chlorophyll that gives leaves their green color – and this step is effectively a water-splitting operation that breaks H2O into oxygen, which is released into the air (thanks, plants), and positively charged hydrogen ions, which drive the remainder of the process and eventually allow plants to store energy in carbohydrate form.Continue ReadingCategory: Energy, ScienceTags: Solar Powered, Hydrogen, Solar-to-Hydrogen, University of Michigan

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