Ozone - Environmental Professionals Connection

Ozone Pollution: An Insidious and Growing Threat to Biodiversity

Yale E360

OCTOBER 7, 2021

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 ?.

Ozone

Ozone Ground-Level Ozone

Satellite Mega Constellations Could Jeopardize Ozone-Hole Recovery

Scientific American

JUNE 25, 2024

Pollution from skyrocketing numbers of satellites burning up in Earth’s atmosphere could threaten our planet’s protective ozone layer

Ozone

Ozone Atmosphere

Smoke from Australian Wildfires Thinned Ozone Layer, Study Finds

Yale E360

MARCH 18, 2022

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 ?.

Ozone

Ozone 2019 2020

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Joro Spiders Are No Big Deal, and Starlink Satellites Threaten the Ozone Layer

Scientific American

JUNE 17, 2024

Sweltering heat in Greece, ozone-damaging chemicals on the decline and an investigation of what space does to our body are all in this week’s news roundup.

Ozone

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

Scientific American

SEPTEMBER 12, 2023

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?

Ozone

Ozone Climate Change

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

Inside Climate News

JUNE 23, 2021

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 (..)

Ozone

Ozone Atmosphere Radiation Climate Scientist

Recent Megafire Smoke Columns Have Reached the Stratosphere, Threatening Earth’s Ozone Shield

Inside Climate News

MARCH 17, 2022

New research warns that wildfire emissions could unravel progress made under the Montreal Protocol to shrink atmospheric ozone holes.

Ozone

Ozone Atmosphere Climate Change

Ozone Treaty Delayed Arctic Melting by 15 Years

Scientific American

MAY 23, 2023

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

Ozone

Ozone Climate Change

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

Law and Environment

NOVEMBER 1, 2021

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.

Ozone

Ozone Clean Air Act 2020 2015

What Exactly is Ozone? The Good, the Bad & the Ugly

Breezometer

DECEMBER 7, 2021

Our ozone layer serves as a lifesaving UV barrier for planet earth, functioning to absorb most of the sun’s ultraviolet radiation. At the same time, ground-level ozone pollution is extremely harmful to human health. As the complexity of ozone pollution is often misunderstood, let's take a closer look at this particular pollutant.

Ozone

Ozone Ground-Level Ozone Radiation Nitrogen Oxides

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

New Scientist

AUGUST 14, 2023

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

Ozone

Ozone 2022

Chemicals used to make decaf coffee are contributing to ozone damage

New Scientist

MAY 25, 2023

A group of unregulated polluting gases known as very short-lived substances are partly responsible for depleting the ozone layer in the tropics

Ozone

Ozone layer treaty pushed back ice-free Arctic summers up to 15 years

New Scientist

MAY 22, 2023

A 1987 treaty to ban ozone-destroying gases helped delay the first Arctic summer with no ice, which is now projected to happen by 2037 at the earliest

Ozone

How smoke from Australia’s megafires ate away at the ozone

New Scientist

MARCH 8, 2023

Wildfire smoke can change the chemistry of the stratosphere, resulting in chlorine molecules that deplete the ozone layer

Ozone

Asian monsoon lofts ozone-depleting substances to stratosphere

Environmental News Bits

JUNE 13, 2024

Powerful monsoon winds, strengthened by a warming climate, are lofting unexpectedly large quantities of ozone-depleting substances high into the atmosphere over East Asia, new research shows. The study, led by the U.S.

Ozone

Ozone Atmosphere

Defunct satellites burning up in the atmosphere could damage the ozone layer. Here’s how

Environmental News Bits

JULY 30, 2024

When … Continue reading Defunct satellites burning up in the atmosphere could damage the ozone layer. The growing swarm is already causing problems for astronomers, but recent research has raised another question: what happens when they start to come down? Here’s how

Ozone

Ozone Atmosphere

The ozone layer was damaged by Australia’s Black Summer megafires

New Scientist

MARCH 17, 2022

Ozone levels above the mid-southern hemisphere dropped 13 per cent after Australia’s worst fires on record due to chemical reactions triggered by the smoke

Ozone

One of the longest-lived ozone holes on record is about to close

New Scientist

DECEMBER 21, 2021

This year has been characterised by cold and strong polar vortices, resulting in strong ozone depletion and a reminder of how much the ozone hole can vary annually as it heals

Ozone

Australia's Massive Wildfires Shredded the Ozone Layer--Now Scientists Know Why

Scientific American

MARCH 10, 2023

Smoke from the catastrophic 2019–2020 fires in Australia unleashed ozone-eating chlorine molecules into the stratosphere

Ozone

Ozone 2019 2020 Climate Change

Ozone layer treaty will slow climate change by protecting plants

New Scientist

AUGUST 18, 2021

The international treaty to protect the ozone layer has had the inadvertent benefit of protecting plants and avoiding up to 1°C of future climate change this century, almost as much as the world has warmed to date.

Ozone

Ozone Climate Change

The ozone hole over the South Pole is now bigger than Antarctica

New Scientist

SEPTEMBER 15, 2021

Each year between August and October, the ozone over the South Pole is depleted – this year the hole is larger than 75 per cent of the holes that had formed by this point in the season since 1979

Ozone

Potent Greenhouse Gases and Ozone Depleting Chemicals Called CFCs Are Back on the Rise Following an International Ban, a New Study Finds

Inside Climate News

APRIL 3, 2023

By Phil McKenna Emissions of a small group of chlorofluorocarbons (CFCs), man-made chemicals that destroy Earth’s protective ozone layer and fuel global warming, are back on the rise after their production was all but banned more than a decade ago, a new study concludes.

Ozone

Ozone Carbon Dioxide Greenhouse Climate Change

Ozone exposure may be linked to depression in adolescents, study finds

Environmental News Bits

APRIL 8, 2022

Exposure to ozone from air pollution may be connected to a rise in depression among adolescents, a new study has found. The study, published in the journal Developmental Psychology on Monday, is the first to link ozone levels to the development of depression in adolescents over time. Read the full story at The Hill.

Ozone

Ozone Air Pollution

Ozone pollution causes $63 billion damage per year to East Asian crops

New Scientist

JANUARY 17, 2022

Rising levels of ground-level ozone in China and nearby countries are having a big effect on the yields of staple crops such as wheat, rice and maize

Ozone

Ozone Ground-Level Ozone

Some crops tolerate ozone pollution better than others, study finds

Environmental News Bits

JANUARY 17, 2024

Differences in the photosynthetic “machinery” of certain crop plants can make them more or less prone to harm caused by ground-level ozone pollution, according to a recent Proceedings of the National Academy of Sciences paper published by a team of Agricultural Research Service (ARS) and University … Continue reading Some crops tolerate (..)

Ozone

Ozone Ground-Level Ozone

Massive 2022 eruption reduced ozone layer levels

Environmental News Bits

JANUARY 4, 2024

The Hunga Tonga-Hunga Ha’apai volcano changed the chemistry and dynamics of the stratosphere in the year following the eruption, leading to unprecedented losses in the ozone layer of up to 7% over large areas of the Southern Hemisphere.

Ozone

Ozone 2022

Oceans may start emitting ozone-depleting CFCs

Successful Green

MARCH 17, 2021

The world’s oceans are a vast repository... The post Oceans may start emitting ozone-depleting CFCs appeared first on successful GREEN. As atmospheric concentrations of CFC-11 drop, the global ocean should become a source of the chemical by the middle of next century, a new MIT study predicts.

Ozone

Ozone Ocean Atmosphere Climate Change

The Upper Atmosphere Is Cooling, Prompting New Climate Concerns

Yale E360

MAY 18, 2023

Scientists are worried about the effect this cooling could have on orbiting satellites, the ozone layer, and Earth’s weather. A new study reaffirming that global climate change is human-made also found the upper atmosphere is cooling dramatically because of rising CO2 levels. Read more on E360 →

Cooling

Cooling Atmosphere Ozone Climate Change

Landmark Ozone Treaty Could Prevent More Than 400 Million Cases of Cancer

Scientific American

OCTOBER 9, 2021

The Montreal Protocol has helped heal the ozone layer that blocks harmful ultraviolet rays. -- Read more on ScientificAmerican.com.

Ozone

Scientists said the ozone hole was recovering. That good news was premature, one study claims

Environmental News Bits

DECEMBER 21, 2023

The recovery of the ozone layer — which sits miles above the Earth and protects the planet from ultraviolet radiation — has been celebrated as one of the world’s greatest environmental achievements.

Ozone

Ozone Radiation

Improving EPA’s Latest Ozone Transport Rule

Acoel

JUNE 29, 2022

The agency’s air quality modeling indicates that most areas would receive an ozone reduction of less than 0.1 These air quality impacts are minimal compared with the major ozone reductions resulting from the 1998 SIP Call, which resulted in more than 80,000 megawatts of coal capacity being retrofitted with SCRs. ppb by 2025.

Ozone

Ozone Clean Air Act 2015 2026

DC Circuit dismisses utility-backed challenge to EPA cross-state ozone rule

Environmental News Bits

MARCH 6, 2023

A federal appeals court on Friday dismissed a lawsuit brought by a utility-supported organization that sought to overturn the Environmental Protection Agency’s revised 2021 Cross-State Air Pollution Update Rule for ozone.

Ozone

Ozone Air Pollution Environmental Protection 2021

Ozone layer recovery is on track, helping avoid global warming by 0.5°C

Environmental News Bits

JANUARY 20, 2023

The ozone layer is on track to recover within four decades, with the global phaseout of ozone-depleting chemicals already benefitting efforts to mitigate climate change. Read the full story from the UN Environment Programme and the World Meteorological Association.

Ozone

Ozone Climate Change

Lower-income ZIP code residents feel worse effects of extreme heat, ozone pollution: study

Environmental News Bits

JUNE 17, 2021

The combined health effects of ozone pollution and extreme heat disproportionately hurt poorer areas, according to a new study analyzing hospitalizations by ZIP code in California. Read the full story at Smart Cities Dive.

Ozone

To Protect the Ozone Layer and Slow Global Warming, Fertilizers Must Be Deployed More Efficiently, UN Says

Inside Climate News

NOVEMBER 14, 2024

By Georgina Gustin At its annual conference on climate change this week, the United Nations released a major report saying the world has little hope of reaching global climate targets without quickly lowering emissions of nitrous oxide, a greenhouse gas that’s nearly 300 times more powerful at warming the atmosphere than carbon dioxide.

Carbon Dioxide

Carbon Dioxide Ozone Atmosphere Greenhouse

High-flying microplastics could pose a threat to the ozone layer

New Scientist

SEPTEMBER 15, 2023

Experiments suggest microplastic fragments with irregular shapes settle more slowly than spherical ones and may reach the stratosphere

Ozone

Volcano That Blasted Seawater into the Stratosphere May Have Damaged Ozone Layer

Scientific American

JANUARY 17, 2024

The Hunga Tonga–Hunga Ha‘apai volcano erupted in January 2022 with the force of an atomic weapon. The disaster has launched dozens of new studies about global warming

Ozone

Ozone 2022 Climate Change

CMIP6: Not-so-sudden stratospheric cooling

Real Climate

MAY 21, 2023

The dominant factors are changes in CO2 (a cooling), ozone depletion (a cooling), warming from big volcanoes, and oscillations related to the solar cycle. That means the greenhouse substances are basically just CO2 and ozone, and they absorb in quite different parts of the spectrum. But why is the stratosphere increasingly chill?

Cooling

Cooling Ozone Atmosphere Radiation

Overheated trees are contributing to urban air pollution

New Scientist

JUNE 20, 2024

An aerial survey of Los Angeles reveals that high temperatures cause plants to emit more compounds that can contribute to harmful ozone and PM2.5 air pollution

Air Pollution

Air Pollution Ozone

Montreal Protocol Averted an Additional 2.5 Degrees C of Warming, Study Says

Yale E360

AUGUST 20, 2021

The Montreal Protocol, which phased out the use of ozone-depleting chemicals, not only saved the ozone layer, but also staved off an additional 2.5 degrees C (4.5 degrees F) of warming by the end of this century, according to a new study. Read more on E360 ?.

Ozone

Oil Refineries: A Deadly Industry

Union of Concerned Scientists

SEPTEMBER 26, 2024

One good example of the nexus between global warming and local pollution is ground-level ozone. To make matters worse, NOx contributes to the formation of ground-level ozone and secondary PM2.5, Ground-level ozone is the sixth criteria air pollutant, but is created from precursors. Secondary PM2.5

Ground-Level Ozone

Ground-Level Ozone Fossil Fuels Ozone Air Pollution

The State of the Air in 2024? Not Great

Union of Concerned Scientists

MAY 13, 2024

The American Lung Association’s State of the Air report measures three of the major types of pollutants in the San Joaquin Valley: long-term particle matter, short-term particle matter, and ozone. Ozone, too, poses significant risks to respiratory health. Ozone plays a dual role in our atmosphere.

2024

2024 Fossil Fuels Ozone Air Pollution

Countries Discuss the HFC-23 Blind Spot and More at 36th Montreal Protocol Meeting

NRDC

NOVEMBER 18, 2024

The meeting concluded with multiple important decisions that will help advance protection of the ozone layer and our climate.

Ozone

Crushed rocks and fertiliser switches can cut nitrous oxide from farms

New Scientist

JULY 10, 2024

Adding crushed basalt rocks and special fertilisers to soils could cut nitrous oxide emissions without harming the ozone layer, but these strategies will cost billions

Ozone

Ozone Pollution: An Insidious and Growing Threat to Biodiversity

Satellite Mega Constellations Could Jeopardize Ozone-Hole Recovery

Webinars

Trending Sources

Smoke from Australian Wildfires Thinned Ozone Layer, Study Finds

Webinars

Joro Spiders Are No Big Deal, and Starlink Satellites Threaten the Ozone Layer

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

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

Recent Megafire Smoke Columns Have Reached the Stratosphere, Threatening Earth’s Ozone Shield

Ozone Treaty Delayed Arctic Melting by 15 Years

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

What Exactly is Ozone? The Good, the Bad & the Ugly

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

Chemicals used to make decaf coffee are contributing to ozone damage

Ozone layer treaty pushed back ice-free Arctic summers up to 15 years

How smoke from Australia’s megafires ate away at the ozone

Asian monsoon lofts ozone-depleting substances to stratosphere

Defunct satellites burning up in the atmosphere could damage the ozone layer. Here’s how

The ozone layer was damaged by Australia’s Black Summer megafires

One of the longest-lived ozone holes on record is about to close

Australia's Massive Wildfires Shredded the Ozone Layer--Now Scientists Know Why

Ozone layer treaty will slow climate change by protecting plants

The ozone hole over the South Pole is now bigger than Antarctica

Potent Greenhouse Gases and Ozone Depleting Chemicals Called CFCs Are Back on the Rise Following an International Ban, a New Study Finds

Ozone exposure may be linked to depression in adolescents, study finds

Ozone pollution causes $63 billion damage per year to East Asian crops

Some crops tolerate ozone pollution better than others, study finds

Massive 2022 eruption reduced ozone layer levels

Oceans may start emitting ozone-depleting CFCs

The Upper Atmosphere Is Cooling, Prompting New Climate Concerns

Landmark Ozone Treaty Could Prevent More Than 400 Million Cases of Cancer

Scientists said the ozone hole was recovering. That good news was premature, one study claims

Improving EPA’s Latest Ozone Transport Rule

DC Circuit dismisses utility-backed challenge to EPA cross-state ozone rule

Ozone layer recovery is on track, helping avoid global warming by 0.5°C

Lower-income ZIP code residents feel worse effects of extreme heat, ozone pollution: study

To Protect the Ozone Layer and Slow Global Warming, Fertilizers Must Be Deployed More Efficiently, UN Says

High-flying microplastics could pose a threat to the ozone layer

Volcano That Blasted Seawater into the Stratosphere May Have Damaged Ozone Layer

CMIP6: Not-so-sudden stratospheric cooling

Overheated trees are contributing to urban air pollution

Montreal Protocol Averted an Additional 2.5 Degrees C of Warming, Study Says

Oil Refineries: A Deadly Industry

The State of the Air in 2024? Not Great

Countries Discuss the HFC-23 Blind Spot and More at 36th Montreal Protocol Meeting

Crushed rocks and fertiliser switches can cut nitrous oxide from farms

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