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Ozone Holes News
March 21, 2019

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updated 5:25pm EDT

More Ozone Holes News
March 21, 2019

Alpine Ice Shows Three-Fold Increase in Atmospheric Iodine

Nov. 12, 2018 — Analysis of iodine trapped in Alpine ice has shown that levels of atmospheric iodine have tripled over the past century, which partially offsets human-driven increases in the air pollutant, ... read more

Plasma-Based System Provides Radical New Path for Water Purification

Nov. 6, 2018 — Many of today's methods of purifying water rely on filters and chemicals that need regular replenishing or maintenance. Millions of people, however, live in areas with limited access to such ... read more

Nov. 2, 2018 — The ozone hole that forms in the upper atmosphere over Antarctica each September was slightly above average size in 2018, scientists reported ... read more

Reducing Methane Emissions Can Play a Key Role in Reducing Ozone Worldwide

Oct. 30, 2018 — A new report points to inexpensive and profitable solutions to reduce methane emissions in the energy, waste, wastewater and agriculture ... read more

Coal Power Plant Regulations Neglect a Crucial Pollutant

Oct. 29, 2018 — Researchers determine that particle-forming sulfur dioxide is the most damaging pollutant from Texas' coal-fired power plants that lack equipment to scrub ... read more

Location of Large Mystery Source of Banned Ozone Depleting Substance Uncovered

Oct. 26, 2018 — Researchers from the University of Bristol have found significant ongoing emissions of a potent ozone-depleting substance from eastern ... read more

Air Pollution Leads to Millions of ER Visits for Asthma Attacks Worldwide

Oct. 25, 2018 — Nine to 33 million visits to the emergency room (ER) for asthma worldwide may be triggered by breathing in air polluted by ozone or fine particulate matter -- pollutants that can enter the ... read more

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

May 16, 2018 — Emissions of one of the chemicals most responsible for the Antarctic ozone hole are on the rise, despite an international treaty that required an end to its production in 2010, a new study ... 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

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