In 2016, scientists at MIT and elsewhere observed the first signs of healing in the Antarctic ozone layer. This environmental milestone was the result of decades of concerted effort by nearly every country in the world, which ...
Environment
Mar 17, 2020
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504
On Sept. 16, 1987, policymakers and scientists from around the world gathered at the International Civil Aviation Organization's headquarters in Montreal, preparing to take action on the day's most urgent topic: Depletion ...
Earth Sciences
Apr 16, 2020
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75
When it comes to infectious agents, it doesn’t get much worse than prions. These misfolded proteins are highly resistant to a wide variety of extreme disinfectant procedures. They have been identified as the culprits ...
Cell & Microbiology
Feb 15, 2012
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0
When did the Earth reach oxygen levels sufficient to support animal life? Researchers from McGill University have discovered that a rise in oxygen levels occurred in step with the evolution and expansion of complex, eukaryotic ...
Earth Sciences
Jan 31, 2022
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116
Researchers at The Ohio State University have developed a framework for quantifying how well countries around the world are doing at providing adequate food, energy and water to their citizens without exceeding nature's capacity ...
Environment
Apr 28, 2023
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215
(Phys.org) —A Purdue University-led team of researchers discovered sunlit snow to be the major source of atmospheric bromine in the Arctic, the key to unique chemical reactions that purge pollutants and destroy ozone.
Earth Sciences
Apr 16, 2013
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0
Researchers at the RIKEN SPring-8 Center in Harima, Japan, have clarified the crystal structure of quinol dependent nitric oxide reductase (qNOR), a bacterial enzyme that offers clues on the origins of our earliest oxygen-breathing ...
Biochemistry
Jan 22, 2012
0
0
Two factors that play a key role in climate change—increased climate warming and elevated ozone levels—appear to have detrimental effects on soybean plant roots, their relationship with symbiotic microorganisms in the ...
Environment
Jul 9, 2021
3
157
The hole in the Antarctic ozone layer has been getting deeper in mid-spring over the last two decades, despite a global ban on chemicals that deplete Earth's shield from deadly solar radiation, new research suggested Tuesday.
Environment
Nov 25, 2023
0
50
A team of researchers in the U.S. and Germany has measured the highest level of ultraviolet radiation ever recorded on the Earth's surface. The extraordinary UV fluxes, observed in the Bolivian Andes only 1,500 miles from ...
Environment
Jul 8, 2014
1
0
