Les émissions de méthane, un puissant gaz à effet de serre, - TopicsExpress

Les émissions de méthane, un puissant gaz à effet de serre, pourraient avoir été sous-estimées de 50% aux États-Unis par lAgence de protection de lenvironnement (EPA), selon une étude publiée lundi. «Nos résultats montrent des émissions de méthane pouvant être jusquà 2,7 fois plus élevées que les estimations (officielles) dans le centre-sud du pays, qui est une région clé pour la production pétrolière et le raffinage», note Scott Miller, chercheur de lUniversité Harvard, un des principaux auteurs de ces travaux parus dans la dernière édition en ligne des Comptes rendus de lAcadémie nationale des sciences.»

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