According to a Johns Hopkins earth scientist, the hole in the Antarctic ozone layer has caused changes in the way that waters in those southern oceans mix – a situation that has the potential to alter the amount of CO2 ...
Earth Sciences
Jan 31, 2013
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Hydrofluorocarbons (HFCs), which have been used in recent years in increasing quantities as substitutes for CFCs, are also climatically very active and many are also extremely long-lived. In the renowned journal Science an ...
Environment
Feb 24, 2012
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A new study shows troubling levels of pharmaceutical pollution in the St. Lawrence River and its largest tributaries, especially near and downstream of urban areas. Some of the compounds detected even pose a moderate-to-high ...
Environment
Jan 31, 2024
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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
After years of discussion, international negotiations on a global plastics treaty resume this week in Nairobi, Kenya, at the UN Environment Programme headquarters.
Environment
Nov 13, 2023
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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
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
1
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According to a new study published in Advances in Atmospheric Sciences, the ozone isn't healing as quickly as expected, leading to higher levels of surface ultraviolet (UV) radiation in recent years.
Environment
Jun 1, 2023
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At the recent COP 15 conference in Montreal, Canada committed to protecting 30% of its land by 2030, but which areas are most crucial to protect for at-risk species such as the spotted turtles?
Plants & Animals
Apr 5, 2023
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Susan Solomon, a leading scientist in the fight to tackle the Antarctic ozone hole, says people are now getting worried enough to spur climate action.
Environment
Mar 21, 2023
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