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Points along the Brazilian coast release greenhouse gases

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Craters on the Brazilian coast release greenhouse gases

Two research groups – one from São Paulo and another from Rio Grande do Sul – have identified almost 2,000 craters in the seabed of parts of Brazil’s south-eastern and southern coast, around 200 kilometers from the mainland. Approximately 230 meters wide and 90 meters deep, these deepsea holes, known as pockmarks, are formed by the eruption of gases from the seabed, mainly methane (CH4), one of the causes of the greenhouse effect. However, it is estimated that most of the methane is consumed by bacterias and other organisms in the ocean, before...

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