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Stratospheric Ozone Depletion tutorial
Goddard Institute for Space Studies - Atmospheric Chemistry Total Ozone Mapping Spectrometer - ozone measurements Stratospheric ozone depletion is a concern because the ozone layer in the stratosphere keeps 95-99% of ... increased amounts of photochemical smog. Photochemical smog is already a health hazard in many of the world's largest cities. The decrease of stratospheric ozone was first reported in ...
www.nas.nasa.gov

Ozone: Good Up High, Bad Nearby
Here, ground-level or "bad" ozone is an air pollutant that damages human health, vegetation, and many common materials. It is a key ingredient of urban smog. The troposphere extends to a ... ... Cars, trucks, power plants and factories all emit air pollution that forms ground-level ozone or smog. Too little there... Many popular consumer products like air conditioners and refrigerators involve CFCs or ...
www.policyalmanac.org

Earth Would Not Pass the Smog Test!
Smog Test! Eco-Pros Environmental Education on the Web Global Warming Heated Debate Smog/Ozone Toxins Global Warming Resources Look in the distance for the results of Earth's smog test EARTH WOULD NOT PASS THE SMOG TEST! ___ PASS X FAIL Smog ...
www.eco-pros.com

Ozone in Wisconsin
Ozone? Ozone is a gas which forms when several other types of air pollution recombine after exposure to the sun's radiant energy. It's the main component of the hazy smog that hovers over eastern Wisconsin on certain hot days. We often see a brown smog streak across the Fox River Valley skyline. Car and truck emissions are a major sources of ozone ...
cwac.net

The ozone layer, depletion and uv radiation
Shuttle Solar Backscatter Ultraviolett InstrumentGlobal stratospheric ozone levels have declined, which means that the ozone layer is changing. Stratospheric ozone has large natural temporal and spatial ... The hydroxyl radicals, for example, stimulate the creation of tropospheric ozone and other harmful pollutants. Smog formation creates other oxidized organic chemicals, such as formaldehydes. ...
www.eco-action.org

Smog
Smog refers to hazy air that causes difficult breathing conditions. The most harmful components of smog are ground-level ozone and fine airborne particles. Ground-level ozone forms when ...
www.edugreen.teri.res.in

Ozone
Monitoring Air Quality Mould Spores Natural Air Pollution Nitrogen Dioxide Outdoor Air Pollution Ozone Particulates Radon Rural Air Quality Smog Smoke Smoking Sulphur Dioxide UK Air Pollution UK Strategy Urban Air Quality ... than urban areas. Background levels of ozone across Europe are usually less than 15 ppb but can be as high as 60 ppb. During photochemical smog episodes, levels can rise to over ...
www.enviropedia.org.uk

The Stratospheric Protection Division | Ozone Layer Depletion | US EPA
The Indoor Environments Division is responsible for indoor air quality, including the use of ozone generators. Local Navigation Ozone Depletion Home Basic Information Ozone ...
epa.gov

Just the Facts for MVACs: EPA Regulatory Requirements for Servicing of Motor Vehicle Air Conditioners | Ozone Depletion - Regulatory Programs | U.S. EPA
Motor Vehicle Air Conditioners Our Threatened Ozone Layer The ozone layer acts as a blanket ... ozone at ground level can be harmful to breathe and is a prime ingredient in smog. Many man-made sources such as tailpipe emissions from cars contribute to ground-level ozone. Global Action to Protect the Ozone ...
epa.gov More from this site

MedlinePlus: Ozone
"Bad" ozone is at ground level. It forms when pollutants from cars, factories and other sources react chemically with sunlight. It is the main ingredient in smog. It is usually worst in the summer. Breathing bad ozone can be harmful, causing coughing, throat irritation, worsening of asthma ...
www.nlm.nih.gov