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
0
116
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
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50
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
Persistently high levels of ozone pollution in Asia are costing China, Japan and South Korea an estimated $63 billion annually in lost rice, wheat and maize crops, a new study says.
Environment
Jan 17, 2022
1
249
The 2023 Antarctic ozone hole reached its maximum size on Sept. 21, according to annual satellite and balloon-based measurements made by NASA and NOAA. At 10 million square miles, or 26 million square kilometers, the hole ...
Earth Sciences
Nov 4, 2023
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50
Increased growth in Antarctic sea ice during the past 30 years is a result of changing weather patterns caused by the ozone hole according to new research published this week (Thurs 23 April 2009).
Earth Sciences
Apr 21, 2009
12
0
Progress slashing unhealthy ozone in the western United States has been largely undone by pollution wafting across the Pacific from China, according to a study published Monday.
Environment
Aug 10, 2015
1
278
Ozone depletion in the stratosphere continues to affect not only ultraviolet (UV) radiation levels at the Earth's surface but also climate in the Southern Hemisphere, an international study reports.
Environment
Jun 24, 2019
0
197
A pair of researchers at the University of California, Berkeley, has used satellite observations as a way to measure the lifetime of nitrogen oxide (NOx) levels above multiple North American cities. In their paper published ...
So the climate is getting warmer. Who cares?
Environment
Sep 13, 2017
7
20
