PHILIPPE BENOIST, IMAGES BLEU SUD / LOOK AT SCIENCES / SCIENCE PHOTO LIBRARY PHILIPPE BENOIST, IMAGES BLEU SUD / LOOK AT SCIENCES / SCIENCE PHOTO LIBRARY
Methanisation biogas plant. Close-up of a worker handling compost at the Ametyst factory in Montpellier, France. This factory recycles and organic household waste, which it ferments to produce methane (methanisation) which is then collected and used as a biofuel. This compost is what is left after the waste has been sorted and broken down, and is what will be used to produce the methane.
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