Ozone Holes News
March 7, 2017
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March 7, 2017

Improvements in Short-Term Forecasting of Air Pollution Levels

Feb. 13, 2017 — A new research project has successfully predicted the daily maximum ozone threshold exceedances in the Hong Kong area. The results show that an accurate and prompt prediction of tropospheric ozone ... read more

How and Why Are Measurements of Ozone Taken from Space?

Sep. 16, 2016 — The hole in the ozone layer over Antarctica became an international cause for concern in the latter half of the 20th Century, but researchers point out that the issues relating to ozone levels are ... read more

Assessing Health Risks from Oil and Gas Operations

Sep. 15, 2016 — A new study of air pollutant emissions from northern Front Range oil and gas operations has been presented to state officials in ... read more

Discovery of Sunlight-Driven Organic Chemistry on Water Surfaces

Aug. 11, 2016 — Fatty acids found on the surface of water droplets react with sunlight to form organic molecules, a new study reports, essentially uncovering a previously unknown form of ... read more

Accounting for Ozone: Study First to Quantify Impact of Oil and Gas Emissions on Denver's Ozone Problem

Aug. 8, 2016 — A new study is the first to directly quantify how emissions from oil and gas activities influence summertime ozone pollution in the Colorado Front Range confirms that chemical vapors from oil and gas ... read more

A Recent Pause in Antarctic Peninsula Warming

July 20, 2016 — The rapid warming of the Antarctic Peninsula, which occurred from the early-1950s to the late 1990s, has paused. Stabilization of the ozone hole along with natural climate variability were ... read more

Bees' Ability to Forage Decreases as Air Pollution Increases

July 6, 2016 — Air pollutants interact with and break down plant-emitted scent molecules, which insect pollinators use to locate needed food, according to a team of researchers. The pollution-modified plant odors ... read more

First Signs of Healing in the Antarctic Ozone Layer

June 30, 2016 — Scientists have found the first 'fingerprints of healing' for the Antarctic ozone hole. The September ozone hole has shrunk by more than 4 million square kilometers since 2000, when ozone ... read more

Global Ethane Concentrations Rising Again, Says Study

June 14, 2016 — Global emissions of ethane, an air pollutant and greenhouse gas, are on the uptick again, according to a new study. The air samples for the study were collected from more than 40 sites around the ... read more

High Blood Pressure Linked to Short-, Long-Term Exposure to Some Air Pollutants

May 31, 2016 — High blood pressure was associated with short-term and long-term exposure to some air pollutants commonly associated with the burning/combustion of fossil fuels, dust and dirt, a new study shows. ... read more

Chemical Emitted by Trees Can Impact St. Louis' Ozone Levels

May 17, 2016 — St. Louis' hazy summers can sometimes be too hot to handle for people with respiratory issues; increased ozone levels can make the air tough to breathe. A team of engineers focused on a study of ... read more

Satellite Data Could Help Reduce Flights Sidelined by Volcanic Eruptions

May 13, 2016 — A volcano erupting and spewing ash into the sky can cover nearby areas under a thick coating of ash and can also have consequences for aviation safety. Airline traffic changes due to a recent ... read more

One Oil Field a Key Culprit in Global Ethane Gas Increase

Apr. 26, 2016 — A single US shale oil field is responsible for much of the past decade's increase in global atmospheric levels of ethane, a gas that can damage air quality and impact climate, according to new ... read more

Unhealthy Ozone Days Could Increase by More Than a Week in Coming Decades

Apr. 21, 2016 — If emission rates continue unchecked, regions of the United States could experience between three and nine additional days per year of unhealthy ozone levels by 2050, according to a new ... read more

Higher Ozone, Lower Humidity Levels Associated With Dry Eye Disease

Mar. 10, 2016 — The associations between outdoor air pollution and dry eye disease has been the focus of recent study. Researchers made a link in a study of the Korean ... read more

Excess Heat Significantly Affects Health of Migratory Workers

Mar. 9, 2016 — Hot weather is significantly associated with clinical visits among migratory farmworkers compared to other patients, according to a study. Migratory farmworkers are those who travel for agricultural ... read more

Ozone Depletion Chemicals: Tracking Down Lingering Source of Carbon Tetrachloride Emissions

Feb. 29, 2016 — Carbon tetrachloride (CCl4), once commonly used as a cleaning agent, is an ozone-depleting chemical. Despite a worldwide ban, a new study reports that CCl4 emission rates are still 30 to 100 times ... read more

Ozone Does Not Necessarily Promote Decline of Natural Ecosystems

Feb. 25, 2016 — Species-diverse unmanaged forests may be less susceptible to the damaging effects of ground-level ozone -- toxic to many species of vegetation and to humans -- than previously ... read more

Tropical Fires Fuel Elevated Ozone Levels Over Western Pacific Ocean

Feb. 24, 2016 — A diverse team of atmospheric chemists, meteorologists and modelers has traced the origins of mysterious pockets of high ozone concentrations and low water vapor in the air above the western Pacific ... read more

POLSTRACC Measurement Campaign: Strong Ozone Depletion Above Arctic Possible

Feb. 18, 2016 — This winter, the Arctic stratosphere so far has been unusually cold. Hence, all prerequisites are given for strong ozone depletion in the coming weeks. This conclusion is based on first results of ... read more
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