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London Air Quality Network :: Welcome to the London Air Quality Network » 3-D Map of Air Pollution in London
London. It allows users to visualise air pollution in the areas that they work, live or walk. Pollution concentrations are ... see how building density affects pollution concentrations in the City and other high density areas. The facilities can also be used by students to understand pollution sources and dispersion characteristics. Please ...
www.londonair.org.uk

Pollution Probe - Press Releases
ON) The Alert, formally called a “Smog Watch”, forecasts a greater than 50% chance that pollution concentrations will reach the “Poor Air” designation in parts of Ontario on Tuesday, June 12. The ... is for “Moderate” pollution, but medical studies have shown that these smog concentrations can also prove dangerous. “Smog alerts should be of concern to us all,” said John Wellner of Pollution Probe, “ ...
pollutionprobe.org

Coalition for Clean Air - Air Pollution - Pollutants & Health Effects
PM pollution. Fine particulate air pollution (<2.5 microns) is thought to be more dangerous because of its ability ... exposed to them. Cancer is the primary health effect studied due to the low exposure concentrations of these air toxics such as benzene, and formaldehyde. Benzene has been shown to cause ...
coalitionforcleanair.org

Atmospheric Pollution
Some of these trace gases, present in elevated concentrations, can be harmful to both humans and the environment. Air pollution can result in poor air quality, both in cities and ...
www.enviropedia.org.uk

Fluoride Pollution: An Overview
Groth E. (1975). Fluoride Pollution. Environment. 17(3): 29-38. "Inorganic fluorides at low concentrations in the acquatic environment can elicit slight effects ... Pollution: Phytotoxicity of Acidic Gases and Its Significance in Air Pollution Control. Berlin: Springer Verlag. "Some forms of vegetation are so sensitive to fluoride exposures that to avoid injury air concentrations ...
fluoridealert.org

Health Effects of Air Pollution
Long-term health effects can include chronic respiratory disease, lung cancer, heart disease, and even damage to the brain, nerves, liver, or kidneys. Continual exposure to air pollution ...
lbl.gov

WWF - Problems: Ocean pollution
What We Do > Marine > Problems > Pollution Marine About Our Oceans Problems Poorly managed fishing Inadequate protection Tourism & coastal development Shipping Oil & gas Pollution Aquaculture Climate change Bycatch ... which decomposes very slowly, is often mistaken for food by marine animals. High concentrations of plastic material, particularly plastic bags, have been found blocking the breathing ...
panda.org

Greenhouse Gas Concentrations
Gas Concentrations Enviropedia Climate Change Global Warming Ozone Air Pollution Weather & Climate Sustainability Kids INFORMATION Home Contents Acid Rain Introduction Acid Deposition Acidic Emissions ... greater than pre-industrial concentrations. Nitrous oxide has been responsible for about 4 to 6% of the enhancement of the greenhouse effect. In order to stabilise concentrations of nitrous oxide at ...
www.enviropedia.org.uk

David Suzuki Foundation: Open Netcage Fish Farm Pollution
They found that 48 per cent of the farms had sediment concentrations of copper and zinc which were above ... at the scientific literature reveals that the so-called "safe" levels are significantly above the concentrations that have been shown to have toxic effects on marine organisms. Some examples are: Serious ...
davidsuzuki.org

ENN: China's Olympian efforts to tackle air pollution
The Beijing Municipal Government pledged a green Olympics to the International Olympic Council. Under that commitment, concentrations of ... concentrations should be comparable to levels in major cities in developed countries. Beijing's environment authorities, including the Beijing Environmental Protection Bureau, have taken steps to rapidly cut pollution ...
enn.com