(PhysOrg.com) -- Fifty million years ago, the North and South Poles were ice-free and crocodiles roamed the Arctic. Since then, a long-term decrease in the amount of CO2 in the atmosphere has cooled the Earth. Researchers ...
Earth Sciences
Jul 1, 2009
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An international team of scientists announced today at the Bonn climate talks that human emissions of the greenhouse gas carbon dioxide are again rising this year, after three years of remaining basically flat. They project ...
Environment
Nov 14, 2017
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Researchers at Oregon State University have definitively linked an increase in ocean acidification to the collapse of oyster seed production at a commercial oyster hatchery in Oregon, where larval growth had declined to a ...
Environment
Apr 11, 2012
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A new study of three ice cores from Greenland documents the warming of the large ice sheet at the end of the last ice age – resolving a long-standing paradox over when that warming occurred.
Earth Sciences
Sep 4, 2014
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In a new study from UBC's Okanagan campus, researchers have discovered a surprising new source of carbon dioxide (CO2) emissions—bicarbonates hidden in the lake water used to irrigate local orchards.
Environment
Feb 21, 2019
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A new study has highlighted the crucial role that sea ice across the Southern Ocean played in controlling atmospheric carbon dioxide levels during times of past climate change, and could provide a critical resource for developing ...
Earth Sciences
Jun 22, 2020
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Yale researchers have provided a new explanation for why Earth's early climate was more stable and warmer than it is today.
Earth Sciences
Aug 9, 2018
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(Phys.org) —For the first time in human history, concentrations of the greenhouse gas carbon dioxide (CO2) could rise above 400 parts per million (ppm) for sustained lengths of time throughout much of the Northern Hemisphere ...
Environment
Apr 24, 2013
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Excessive CO2 emissions are a major cause of climate change, and hence reducing the CO2 levels in the Earth's atmosphere is key to limiting adverse environmental effects. Rather than just capture and store CO2, it would be ...
Materials Science
Apr 9, 2021
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The world's oceans are absorbing less carbon dioxide (CO2), a Yale geophysicist has found after pooling data taken over the past 50 years. With the oceans currently absorbing over 40 percent of the CO2 emitted by human activity, ...
Earth Sciences
Nov 24, 2009
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