Earth
See also: Runaway climate changeEarth's climate has swung repeatedly between warm periods and ice ages during its history. In the current climate the gain of the positive feedback effect from increased atmospheric water vapor is well below that which is required to boil away the oceans. Climate scientist John Houghton has written that " is no possibility of runaway greenhouse conditions occurring on the Earth". However, climatologist James Hansen disagrees. In his Storms of My Grandchildren he says that burning coal and mining shale oil will result in runaway greenhouse on Earth.
Benton and Twitchett's have a different definition of a runaway greenhouse; events meeting this definition have been suggested as a cause for the Paleocene-Eocene Thermal Maximum and the great dying.
Read more about this topic: Runaway Greenhouse Effect
Famous quotes containing the word earth:
“The moon, the anchorless
Moon go swerving
Down at the earth for a catastrophic kiss.”
—Philip Larkin (1922–1986)
“But now I am weary and my old heart, which thought itself turned away from all, has learned pain once again. I am no longer young enough to adjust. And anyhow, when a mother can no longer recognize her own son, her role on this earth is over.”
—Albert Camus (1913–1960)