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
Using rare oxygen molecules trapped in air bubbles in old ice and snow, U.S. and French scientists have answered a long-standing question: How much have "bad" ozone levels increased since the start of the Industrial Revolution?
Earth Sciences
Jun 12, 2019
3
218
It is generally known that pollution has damaged the ozone layer around the Earth. The ozone layer is important for protecting life from harmful UV rays from the sun. However, the fact that pollution leads to too much ozone ...
Earth Sciences
May 1, 2019
0
13
Antarctica experienced a sixfold increase in yearly ice mass loss between 1979 and 2017, according to a study published today in Proceedings of the National Academy of Sciences. Glaciologists from the University of California, ...
Earth Sciences
Jan 14, 2019
15
2382
Ozone layer depletion has increased snowfall over Antarctica in recent decades, partially mitigating the ongoing loss of the continent's ice sheet mass, new University of Colorado Boulder research finds.
Earth Sciences
Dec 10, 2018
1
48
In China, people breathe air thick with the lung-damaging pollutant ozone two to six times more often than people in the United States, Europe, Japan, or South Korea, according to a new assessment. By one metric—total number ...
Environment
Aug 29, 2018
0
28
Early Earth was a hot, gaseous, dusty and dynamic planet with an atmosphere and an ocean. Then its surface cooled and stabilized enough for clouds, landmasses and early life to form about four billion years ago, during what's ...
Earth Sciences
Aug 7, 2018
0
212
More than 300 million visitors travel to U.S. national parks every year to experience America's iconic landscapes. But poor air quality in parks may negatively affect visitation, according to a study published in Science ...
Environment
Jul 18, 2018
0
48
"It's a code red day for ozone." If you hear this on your local news, what does it mean? Are you at risk? Do you know what to do? An air quality alert like this informs the public about pollution levels in the air and advises ...
Environment
Jun 26, 2018
0
13
After decades of progress in cleaning up air quality, U.S. improvements for two key air pollutants have slowed significantly in recent years, new research concludes. The unexpected finding indicates that it may be more difficult ...
Environment
Apr 30, 2018
0
43
