Large amounts of the potent greenhouse gas methane are being released from an Icelandic glacier. 41 tonnes of methane is being released through meltwaters every day during the summer months. This is roughly equivalent to the methane produced by more than 136,000 belching cows.

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Large amounts of the potent greenhouse gas methane are being released from an Icelandic glacier. 41 tonnes of methane is being released through meltwaters every day during the summer months. This is roughly equivalent to the methane produced by more than 136,000 belching cows.