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Two Power Sources Rule in a Sunny, Windy 21st Century

Bloomberg NEF just published its latest projections for the world’s electricity generation. It’s increasingly lower-carbon, reflecting changes in renewable energy already decades in the making, as well as the inexorable decreases in cost and increases in efficiency. Just a decade ago, geothermal and biomass — essentially, combustion of organic matter to run turbines — made […]

Carbon dots from human hair boost solar cells