(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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El Niño is a term derived from Spanish to describe a natural phenomenon marked by higher-than-average sea surface temperatures in the tropical Eastern Pacific. The convective Extreme El Niño denotes events with daily rainfall ...
Earth Sciences
Jul 20, 2023
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Aerosol particles can form and grow in Earth's upper troposphere in an unexpected way, reports the CLOUD collaboration in a paper published today in Nature. The new mechanism may represent a major source of cloud and ice ...
Earth Sciences
May 18, 2022
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Arctic sea ice may be disappearing, but until recently, Antarctic sea ice was having the opposite experience. In February, however, the extent of sea ice at the southern hemisphere experienced a record low, the second such ...
Earth Sciences
Apr 19, 2022
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For the first time, researchers have spotted short-term, regional fluctuations in atmospheric carbon dioxide (CO2) around the globe due to emissions from human activities.
Planetary Sciences
Apr 1, 2022
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Carbon dioxide levels in the atmosphere will this year reach levels 50 percent higher than before the industrial revolution because of manmade emissions, Britain's Met Office predicted on Friday.
Environment
Jan 8, 2021
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A new measurement technology developed at the University of Bern provides unique insights into the climate of the past. Previous CO2 concentrations in the atmosphere could be reconstructed more accurately than ever before, ...
Earth Sciences
Aug 20, 2020
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Earth may have been far more oxygen-rich early in its history than previously thought, setting the stage for the evolution of complex life, according to new research by scientists at the University of Alberta and the University ...
Earth Sciences
May 12, 2020
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Humans have never before lived with the high carbon dioxide atmospheric conditions that have become the norm on Earth in the last 60 years, according to a new study that includes a Texas A&M University researcher.
Environment
Sep 25, 2019
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Observable effects of climate change that scientists had predicted in the past are now a reality: Glaciers are shrinking, plant and animal ranges have shifted and trees are flowering sooner.
Environment
Nov 20, 2018
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