Megafaunal extinction, methane and monkeying with the climate

A paper in Nature Geoscience published early this month was much derided by the usual suspects in the pseudoskeptic community. Contrary to what many critics of “Methane emissions from extinct megafauna” claim, the research does not lead to the conclusion that humans are solely responsible for a global cooling event known as the Younger Dryas, which saw a brief reversal in the warming trend that brought the last ice age to an end. But it does remind us of just how interconnected are all the elements of the planetary ecosystem, and how dangerous it is to tinker with one of them.
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