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Ozone Holes News
December 12, 2018

Latest Headlines
updated 6:55am EST

More Ozone Holes News
December 12, 2018

Substantial Changes in Air Pollution Across China During 2015 to 2017

Oct. 17, 2018 — 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 ... read more

Long-Term Exposure to Ozone Has Significant Impacts on Human Health

Oct. 11, 2018 — A new study has utilized a novel method to estimate long-term ozone exposure and previously reported epidemiological results to quantify the health burden from long-term ozone exposure in three major ... read more

Air Pollution May Be Linked to Heightened Mouth Cancer Risk

Oct. 9, 2018 — High levels of air pollutants, especially fine particulate matter (PM2.5) and to a lesser extent, ozone, may be linked to a heightened risk of developing mouth cancer, suggests the first study of its ... read more

Tropics Are Widening as Predicted by Climate Models, Research Finds

Sep. 17, 2018 — Scientists have observed for years that Earth's tropics are widening in connection with complex changes in climate and weather patterns. But in recent years, it appeared the widening was ... read more

Protection for the Ozone Layer: Sugar Molecules Bind Harmful CFCs

Sep. 6, 2018 — Researchers have managed to make a breakthrough when it comes to dealing with the extremely ozone-depleting chlorofluorocarbon Freon 11. Their findings could make a major contribution to protecting ... read more

Aug. 29, 2018 — In China, people breathe air thick with the lung-damaging pollutant ozone two to six times more often than people in the United States, Europe, Japan, or South Korea, according to a new assessment. ... read more

Natural Refrigerant Replacements Could Reduce Energy Costs and Conserve the Environment

Aug. 14, 2018 — The 1987 Montreal Protocol and the 1997 Kyoto Protocol called for countries around the world to phase out substances that deplete the ozone layer, but many HVAC systems still use synthetic ... read more

Mediterranean Diet May Blunt Air Pollution's Ill Health Effects

May 21, 2018 — Eating a Mediterranean diet may protect people from some of the harm of long-term exposure to air pollution, and reduce their risk of dying from heart attacks, stroke and other causes of death, ... read more

US Gains in Air Quality Are Slowing Down

Apr. 30, 2018 — A detailed analysis of satellite observations shows that US progress in reducing levels of two key air pollutants has slowed significantly in recent years. The new study indicates that it may be more ... read more

Mar. 28, 2018 — Drained fertile peatlands around the globe are hotspots for the atmospheric emission of laughing-gas -- a powerful greenhouse gas called nitrous oxide, which is partly responsible for global warming ... read more

Global Fossil Fuel Emissions of Hydrocarbons Are Underestimated

Feb. 26, 2018 — Global levels of ethane and propane in the atmosphere have been underestimated by more than 50 percent, new research has revealed. These hydrocarbons are particularly harmful in large cities where, ... read more

Feb. 7, 2018 — Paleobotanists put dwarf, bonsai pine trees in growth chambers and subjected them to up to 13 times the UV-B radiation Earth experiences today, simulating conditions that likely existed 252 million ... read more

Feb. 6, 2018 — The ozone layer -- which protects us from harmful ultraviolet radiation -- is recovering at the poles, but unexpected decreases in part of the atmosphere may be preventing recovery at lower ... read more

Feb. 5, 2018 — Although ozone pollution is dropping across many parts of the United States, western Europe and Japan, many people living in those countries still experience more than a dozen days every year in ... read more

Smoke from Wildfires Can Tip Air Quality to Unhealthy Levels

Jan. 9, 2018 — 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 ... read more

Jan. 4, 2018 — For the first time, scientists have shown through direct satellite observations of the ozone hole that levels of ozone-destroying chlorine are declining, resulting in less ozone ... read more

NASA Researchers Share Perspective on Key Elements of Ozone Layer Recovery

Dec. 14, 2017 — Each year, ozone-depleting compounds in the upper atmosphere destroy the protective ozone layer, and in particular above Antarctica. While different compounds each release either reactive chlorine or ... read more

Nov. 29, 2017 — New simulations show that the search for life on other planets may well be more difficult than previously assumed. The study indicates that unusual air flow patterns could hide atmospheric components ... read more

Air Quality and Health in U.S. Will Improve from Other Nations' Actions to Slow Climate Change

Nov. 13, 2017 — The United States will benefit from improved air quality in the future, through actions to reduce greenhouse gas emissions both domestically and globally, according to new research. It comes ... read more

Nov. 6, 2017 — Ozone pollution near Earth's surface is one of the main ingredients of summertime smog. It is also not directly measurable from space due to the abundance of ozone higher in the atmosphere, ... read more

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