In the past, they were found in every refrigerator and aerosol until it was discovered that they had ripped a hole in the ozone layer protecting Earth's atmosphere: chlorofluorocarbons, in short CFCs.
Earth Sciences
Jul 21, 2023
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2
Up and down the East Coast, air quality plummeted, schools closed, and Major League Baseball games got postponed—all a result of the smog blown downstream from the 400-plus wildfires burning in Ontario and Quebec. But as ...
Earth Sciences
Jun 13, 2023
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24
A young man breathes deeply from a gas-filled bag. He begins to feel a pleasurable sensation "particularly in the chest and extremities" before dancing around and then collapsing in a heap. A few minutes later he comes to ...
Environment
Apr 20, 2023
3
3
Skoltech researchers and their Russian and Norwegian colleagues have investigated the effect of ozonation on the organic compounds dissolved in recirculating water at a fish farm. Published in the Science of the Total Environment, ...
Ecology
Jul 25, 2022
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4
Farmers and fruit growers are reporting that climate change is leading to increased ozone concentrations on the soil surface in their fields and orchards—an exposure that can cause irreversible plant damage, reduce crop ...
Environment
Sep 8, 2020
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144
Tropospheric ozone is produced via the photochemical reaction of volatile organic compounds, carbon monoxide, and nitrogen oxides in the presence of sunlight. Over the past 20 years, serious ozone pollution has been found ...
Environment
Jun 12, 2020
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4
ICP Forests is a European-wide network of forest sites to study the effects of air pollutants on forests. Scientists have been measuring ozone concentrations since 2000 on 233 research sites in 18 countries and have observed ...
Environment
Dec 18, 2018
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4
The first detailed analysis of air pollution trends in China reveals a 20 per cent drop in concentrations of particulate pollution over the last three years (2015-2017).
Environment
Oct 17, 2018
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61
Ozone is a well-known and interesting gas. It is thought of as a "good" gas when present in the stratosphere, where it forms the ozone layer sitting 15 to 30 kilometres above Earth that protect life from detrimental ultraviolet ...
Environment
Apr 5, 2018
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62
Smoke plumes emanating from wildfires are swept high up into the air and spread over thousands of kilometers even days after a fire has been put out. The fine particles and harmful ozone contained in these plumes often have ...
Environment
Jan 9, 2018
0
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