Concentration of carbon dioxide during an intense period of global warmth may have been as low as half the level previously suggested by scientists, according to a new Dartmouth College study.
Environment
Oct 12, 2017
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New research findings show that as the world warmed millions of years ago, conditions in the tropics may have made it so hot some organisms couldn't survive.
Earth Sciences
Mar 3, 2017
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Scientists working in the North Atlantic have found the clearest geologic evidence yet of a planetary thermostat that counteracts the warming cause by massive amounts of greenhouse gas by absorbing CO2 into the rocky sediments ...
Earth Sciences
Jul 26, 2016
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30
Atmospheric carbon dioxide concentration was the major driver behind the global climatic shifts that occurred between 53 and 34 million years ago, according to new research led by the University of Southampton.
Earth Sciences
Apr 25, 2016
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101
Researchers in Syracuse University's College of Arts and Sciences are pairing chemical analyses with micropaleontology—the study of tiny fossilized organisms—to better understand how global marine life was affected by ...
Earth Sciences
Oct 16, 2014
2
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Some 56 million years ago, a massive pulse of carbon dioxide into the atmosphere sent global temperatures soaring. In the oceans, carbonate sediments dissolved, some organisms went extinct and others evolved.
Earth Sciences
Jun 2, 2014
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1
New fossils from Belgium have shed light on the origin of some of the most well-known, and well-loved, modern mammals. Cats and dogs, as well as other carnivorous mammals (like bears, seals, and weasels), taxonomically called ...
Paleontology & Fossils
Jan 6, 2014
0
0
Mammal body size decreased significantly during at least two ancient global warming events, a new finding that suggests a similar outcome is possible in response to human-caused climate change, according to a University of ...
Earth Sciences
Nov 2, 2013
26
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(Phys.org) —It's has been know that massive increases in emission of CO2 from volcanoes, associated with the opening of the Atlantic Ocean in the end-Triassic Period, set off a shift in state of the climate which caused ...
Earth Sciences
Mar 22, 2013
143
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Plunge in CO2 put the freeze on AntarcticaAtmospheric carbon dioxide levels plunged by 40% before and during the formation of the Antarctic ice sheet 34 million years ago, according to a new study. The finding helps solve ...
Earth Sciences
Dec 1, 2011
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