New research suggests that the release of methane from seafloor hydrates was much slower than hypothesized during a period of rapid global warming about 56 million years ago, challenging the hypothesized role of methane hydrates in the PETM.

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New research suggests that the release of methane from seafloor hydrates was much slower than hypothesized during a period of rapid global warming about 56 million years ago, challenging the hypothesized role of methane hydrates in the PETM.