Ancient volcanoes once boosted ocean carbon, but humans are now far outpacing them

A new study of an ancient period that is considered the closest natural analog to the era of modern human carbon emissions has found that massive volcanism sent great waves of carbon into the oceans over thousands of years -- but that nature did not come close to matching what humans are doing today.

from Oceanography News -- ScienceDaily https://ift.tt/2RvfRYq
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