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
During long portions of the past 2.4 billion years, the Earth may have been more inhospitable to life than scientists previously thought, according to new computer simulations.
Evolution
Jan 4, 2022
0
843
The social cost of nitrous oxide, a greenhouse gas that is the largest remaining threat to the ozone layer, is understated, concludes an international team of researchers. In their assessment, which appears in the journal ...
Environment
Nov 17, 2021
0
58
Crack! Lightning strikes are bright and loud—violent enough to shake your bones and light up the sky. Now, a new study led by the University of Colorado Boulder suggests that these powerful events may also alter the chemistry ...
Earth Sciences
Oct 11, 2021
0
35
An international agreement to protect the ozone layer is expected to prevent 443 million cases of skin cancer and 63 million cataract cases for people born in the United States through the end of this century, according to ...
Environment
Oct 6, 2021
0
80
Scientists say the hole in the Earth's protective ozone layer over the Southern Hemisphere is larger than usual this year and already surpasses the size of Antarctica.
Environment
Sep 16, 2021
0
82
Oxygen-producing bacteria emerged a thousand millions years before the great oxygenation event approximately 2400 million years ago, scientists have found.
Evolution
Aug 18, 2021
1
311
After years of waiting, Richard Branson's journey to space this month on a Virgin Galactic vessel was supposed to be a triumphant homecoming. Instead, the jaunt attracted significant criticism—about its carbon footprint.
Environment
Jul 18, 2021
7
1430
There is a race going on high in the atmosphere above the Arctic, and the ozone layer that protects Earth from damaging ultraviolet (UV) radiation will lose the race if greenhouse gas emissions aren't reduced quickly enough.
Environment
Jun 23, 2021
2
39
Ozone is a pollutant at ground level, but very high in the atmosphere's "ozone layer," it absorbs damaging ultraviolet radiation. Past studies have examined ozone levels in the Southern Hemisphere, but little is known about ...
Environment
Jun 16, 2021
1
18
