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To limit climate change, experts say that we need to reach carbon neutrality by the end of this century at the latest. To achieve that goal, our dependence on fossil fuels must be reversed. But what energy source will take its place? These researchers just might have the answer: algae. In a new study researchers describe their invention: a power cell that harnesses electrical energy from the photosynthesis and respiration of blue-green algae. [Source: Concordia University]
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