Cutting emissions of particular gases could improve conditions for plants, allowing them to grow faster and capture more carbon, new research suggests.
Environment
Jan 27, 2020
0
51
The Montreal Protocol, an international agreement signed in 1987 to stop chlorofluorocarbons (CFCs) destroying the ozone layer, now appears to be the first international treaty to successfully slow the rate of global warming.
Environment
Dec 6, 2019
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4016
In July 2015, U.S. Environmental Protection Agency head Gina McCarthy was being grilled by lawmakers over President Obama's Clean Power Plan requiring states to limit carbon emissions, when she was asked, "What percentage ...
Earth Sciences
Aug 12, 2019
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46
Improved air quality can be a major bonus of climate mitigation policies aimed at reducing greenhouse gas emissions. By cutting air pollution levels in the country where emissions are produced, such policies can avoid significant ...
Environment
Jul 30, 2019
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55
This week brought news that atmospheric carbon dioxide (CO₂) levels at the Mauna Loa atmospheric observatory in Hawaii have risen steeply for the seventh year in a row, reaching a May 2019 average of 414.7 parts per million ...
Environment
Jun 7, 2019
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22
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
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13
NASA research scientist Tom Hanisco set out to build an instrument capable of measuring a short-lived chemical that cleanses the atmosphere of methane—a potent greenhouse gas—but found instead that his discovery outshined ...
Environment
Apr 30, 2019
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12
Global levels of ethane and propane in the atmosphere have been underestimated by more than 50%, new research involving scientists at the University of York has revealed.
Environment
Feb 26, 2018
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170
High in the atmosphere, above weather systems, is a layer of ozone gas. Ozone is Earth's natural sunscreen, absorbing the sun's most harmful ultraviolet radiation and protecting living things below. But ozone is vulnerable ...
Earth Sciences
Nov 22, 2017
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6
Climate scientists studying three decades of ozone measurements from seven satellites see a positive trend in global recovery thanks to international efforts to curb ozone-depleting substances.
Environment
Nov 15, 2017
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5
