To the extent the scientific evidence leads to a particular conclusion, the conclusion is that humans are modestly enhancing a natural warming cycle that fortunately rescued the planet from the Little Ice Age.
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Researchers say this back-from-the-dead trick has implications for how ecosystems recover from the planet's cyclic long periods of ice coverage.
U.S. and global soil moisture improved throughout the 20th century as our planet warmed in its recovery from the Little Ice Age.
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Instead of mythological gods doing battle with ice giants the Pilgrims of a planet called Plymouth are warring against the Indians from the planet of Indi over the stuffing mines.
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He is fifth in the planet now, not bad for someone on ice since June, but it's Nadal's lowest ranking since May 2005, before he won his first of 11 Grand Slams.
Also on board Mars Odyssey is a neutron spectrometer that registers evidence for underground ice in the same regions of the planet.
Huge sheets of ice reflect solar radiation, keeping our planet cool.
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It will just be eaten away by the storms that come when the ice is no longer there, ice that used to be there because the planet was cold enough.
This has enabled scientists to estimate the volume of water in the ice cap and speculate that much of the planet's original water is either hidden below the surface or missing.
The reason for the excitement is that, although the existence of ice on Mars has been known since 1666, when the planet's polar caps were first seen, the low temperatures and air pressure there mean that water, even if heavily salted, is likely either to freeze or to evaporate.
The lake's location in the heart of the East Antarctic Ice Sheet makes it one of the most inhospitable environments on the planet.
We roped up at the Standhardt Col, a pass overlooking the Southern Patagonia Ice Field, one of the largest expanses of frozen water on the planet.
The ice, poised between freezing and melting, is an especially sensitive indicator of the planet's temperature.
In the history of the planet, Pearce argues, the past 10, 000 years since the end of the last ice age, in which humanity has established itself as the earth's dominant species, have been unusually benign in climatological terms.
The term describes the moment at which the planet shifts from one environmental state to another: in this case, from an Arctic with summer sea ice to one without it.
Ice sheets are, by nature, located in the coldest, harshest, most inaccessible places on the planet.
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