Methane gas extraction on Lake Kivu. Photo by Eric LAFFORGUE/Gamma-Rapho via Getty Images Natacha Tofield-Pasche, EPFL- Ăcole Polytechnique FĂ©dĂ©rale de…
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Methane gas extraction on Lake Kivu. Photo by Eric LAFFORGUE/Gamma-Rapho via Getty Images Natacha Tofield-Pasche, EPFL- Ăcole Polytechnique FĂ©dĂ©rale de…