And whether or not it sets off a climate shift of Pleistocenic proportions, acidification could kill the researchers' newly-discovered, awe-inspiring reef, along with others we haven't even found yet.
Its meteorite was probably too small to shift the climate, but perhaps it was part of a swarm.
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Childe ascribed the shift to climate change, to conditions that dried up the lush forests and plains: humans and animals were drawn together at the last remaining oases, where proximity led to domestication, sedentism, and agriculture.
But Pollack added that it's "way premature" to suggest the Massachusetts race will bring a major shift to the political climate.
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But Doug Berman, a law professor at Ohio State University who follows federal sentencing law, says it reflects a shift in the political climate and that it could lead to bigger changes.
To be sure, there are potential opportunities in the development and implementation of energy-saving technologies in the next decade, including wind and solar energy, but it's doubtful that many jobs can be generated without a major shift in the economic climate here.
Paul Holland of the British Antarctic Survey (BAS) stuck to his findings last year that a shift in winds linked to climate change was blowing ice away from the coast, allowing exposed water in some areas to freeze and make yet more ice.
Oil companies are reluctant to admit that climate change plays a part in their northward shift.
The addition of five species to the red list - Temminck's stint, ruff, whimbrel, redwing and fieldfare - which are at the southern edge of their spread in the British Isles, could suggest a shift in range brought on by a changing climate.
Whether policy experts believe that Mauricio Funes and the FMLN will do their best to follow the Chavez model or they accept Funes as a moderate, the political climate in El Salvador does not lend itself to a strong leftward shift.
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Revenues from the tax could also be used to reduce the deficit or to shift the tax burden from labor or capital to emitters of the gas most responsible for climate change.
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