Tuesday, September 25, 2012
Is Climate Change Hell Now Inevitable?
Is Climate Change Hell Now Inevitable? | Common Dreams
We know from the geologic record that runaway methane releases have occurred several times in the past. Some 55 million years ago, during what geologists call the Paleocene-Eocene Thermal Maximum, temperatures soared, as clathrates (or as they are sometimes known, hydrates) released massive amounts of carbon, mostly in the form of methane. Many scientists believe this was triggered by volcanic releases of carbon. Other factors may have been at play, but the key takeaway is that methane releases caused runaway warming that lasted for more than 150,000 years, and that today, humans are releasing carbon at ten times the rate that is thought to have triggered the releases.
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