Tag: Chemistry
-
New research reveals 2010 Montreal Protocol prevented rapid acceleration of climate change
According to a new study published in the journal Nature, the global ban of chlorofluorocarbons and other ozone-depleting substances prescribed by the 1987 Montreal Protocol and its subsequent amendments has prevented the eventual collapse of the ozone layer, thereby shielding vegetation from harmful ultraviolet radiation.
- Air Quality
-
Scientists decipher mechanism for formic acid formation
An international team of researchers has determined the chemical processes behind the formation of atmospheric formic acid, which will lead to improved weather and climate models.
- Air Quality
-
Smoke from massive Australian bushfires warmed the stratosphere
Australian fires in 2019 and 2020 injected almost 1 million metric tons of smoke into the stratosphere, causing it to warm and likely contributing to a large and persistent ozone hole.
- Air Quality,
- Climate
-
COVID-19 lockdowns linked to pollution spikes in some cities
Lockdowns last year in response to COVID-19 resulted in drastic cuts to emissions, especially from vehicle tailpipes, and yet some urban areas saw a paradoxical spike in ozone air pollution.
- Air Quality
-
Ozone pollution levels dropped early in pandemic
Ozone in the lower atmosphere fell by 7% on average across the Northern Hemisphere, new research finds.
- Air Quality