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In a Blow to Public Health, EPA Delays Strengthening Ozone Standards

Union of Concerned Scientists

Despite clear recommendations from its own science advisors, the US Environmental Protection Agency (EPA) announced over the summer that it will delay its scheduled process to consider strengthening public health standards for ground-level ozone pollution. The stakes over ground-level ozone standard are high.

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Will EPA Follow the Science and Protect Us from Ozone Pollution?

Union of Concerned Scientists

Earlier this month, the Environmental Protection Agency’s (EPA) Clean Air Scientific Advisory Committee (CASAC) released a draft set of recommendations calling on the EPA to tighten its current standard for ground-level ozone pollution to protect public health. But will the EPA follow CASAC’s recommendations?

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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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Deja Vu One More Time? What Will Happen If EPA Ignores CASAC Regarding the Ozone NAAQS?

Law and Environment

Last week, Inside EPA (subscription required) reported that the Clean Air Science Advisory Committee has pretty much agreed that the National Ambient Air Quality Standards for ozone must be made more stringent. What Will Happen If EPA Ignores CASAC Regarding the Ozone NAAQS? The post Deja Vu One More Time?

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