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Ozone Pollution: An Insidious and Growing Threat to Biodiversity

Yale E360

Ground-level ozone has long been known to pose a threat to human health. Now, scientists are increasingly understanding how this pollutant damages plants and trees, setting off a cascade of impacts that harms everything from soil microbes, to insects, to wildlife. Read more on E360 ?.

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Smoke from Australian Wildfires Thinned Ozone Layer, Study Finds

Yale E360

Smoke from bushfires that spread across Australia in late 2019 and early 2020 destroyed high-altitude ozone in the Southern Hemisphere, according to a study that offers new insight into the threat posed by wildfires. Read more on E360 ?.

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The Ozone Hole Showed Humans Could Damage Earth and That We Could Heal It

Scientific American

The discovery of a hole in Earth’s protective ozone layer in 1985 led to a worldwide effort to heal it, but are there lessons that can be applied to today’s treaty talks on climate change?

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Ozone Treaty Delayed Arctic Melting by 15 Years

Scientific American

The Montreal Protocol was intended to save Earth’s ozone layer, but it also helped slow global warming and delayed the melting of Arctic sea ice

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The hole in the ozone layer has opened unusually early this year

New Scientist

The ozone hole over Antarctica may get close to its record size this year due to repercussions from the ferocious Tonga volcano eruption in 2022

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New Climate Research From a Year-Long Arctic Expedition Raises an Ozone Alarm in the High North

Inside Climate News

By Bob Berwyn After sampling the atmosphere above the Arctic for more than a year during the MOSAiC research voyage , climate scientists say the ozone layer, Earth’s protection against intense ultraviolet radiation, is at risk, despite the progress made in protecting atmospheric ozone by the 1987 Montreal Protocol , the global treaty that banned ozone-harming (..)

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EPA Will Reconsider the Ozone NAAQS — What Is An Adequate Margin of Safety, Anyway?

Law and Environment

On Friday, EPA announced that it was reconsidering its 2020 decision to leave the National Ambient Air Quality Standards for ozone unchanged. However, EPA stated that it: will reconsider the decision to retain the ozone NAAQS in a manner that adheres to rigorous standards of scientific integrity. Still whistling in the wind , I fear.

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