The U.S. Senate voted to ratify an international treaty on Sept. 21, 2022, and join 137 other countries in agreeing to phase out a class of climate-warming chemicals that are widely used as coolants in refrigerators, air ...
Environment
Sep 22, 2022
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"Ozone depletion is a well-known phenomenon and, thanks to the success of the Montreal Protocol, is widely perceived as a problem solved," says University of East Anglia's David Oram. But an international team of researchers, ...
Earth Sciences
Oct 12, 2017
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153
China agreed Saturday with the United States to scale back production of "super greenhouse gases" used in refrigerators and air conditioners in a joint bid to fight climate change.
Environment
Jun 8, 2013
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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
The year was 1987, and Earth's shield against the giant thermonuclear reaction in the sky was failing.
Environment
Sep 26, 2022
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20
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
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197
Measurements from the Copernicus Sentinel-5P satellite show that this year's ozone hole over Antarctica is one of the biggest on record. The hole, which is what scientists call an "ozone depleting area," reached a size of ...
Planetary Sciences
Oct 5, 2023
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113
Without the global CFC ban we would already be facing the reality of a 'scorched earth', according to researchers measuring the impact of the Montreal Protocol.
Environment
Aug 18, 2021
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A new paper, co-authored by a University of Sussex scientist, has revealed major holes in an international treaty designed to help repair the ozone layer, putting human health at risk and increasing the speed of climate change.
Environment
Aug 26, 2020
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216
Recent increases in an unregulated ozone-depleting substance, could delay recovery of Antarctic ozone levels by 5-30 years, depending on emissions scenarios.
Environment
Jun 27, 2017
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199
