The bay provides a sheltered area where pollution could be minimised, but Devon County Council says the current set up is too risky.
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They report that children with autism were more likely to have lived in an area with higher pollution values.
One forest fire near Denver last summer dumped tons of mud and soot into the city's largest reservoir for drinking water and created the worst air pollution in the area's history.
In its report, the bureau also cited lead pollution in the Kangqiao area from two other small companies that it said share the blame and have been closed.
And because of its location in a basin, pollution in the Los Angeles area caused by diesel exhaust, barges, locomotives and other sources tends to stay put, says Janice Nolen, assistant vice president with National Policy and Advocacy for the American Lung Association.
But critics say there are fears about possible earth tremors in the area near the new plant as well as pollution in the River Indus.
She said concerns over increased noise, pollution and disruption to the surrounding area had not been addressed and suggested that a new runway would not be long enough to accommodate new, larger planes and would be full "within a few years".
Environmentalists and many residents of west and south-west London have raised fears over pollution, noise and damage to the area's way of life.
In the Environmental Protection Agency this clearly lies in your area of responsibility, yet if it is about pollution created by airplanes, the Department of Transportation shares oversight.
The State of the Air report also ranked the Los Angeles-Long Beach- Riverside area as having the third-highest level of annual particle pollution in the nation and the fourth-highest level of short-term particle pollution.
Their results, published in Environmental Pollution, show that as radiation levels in an area rose to 35 microsieverts per hour, the average number of birds dropped by almost a third compared with the areas where radiation levels were only 0.5 microsieverts per hour.
The prospectus talks of redeveloping the decaying port area, and of at last cleansing Guanabara Bay of sewage and industrial pollution.
But one of the biggest reasons for Phoenix's high pollution levels is actually cattle ranches found south of the city, in Pinal County and vicinity.. "Those cattle ranches are contributing a lot of fine particle pollution to the small communities near them that are part of the Phoenix metro area, but also to the tribe adjacent to it, " says Nolen.
Even the most potentially disturbing suggestion, which involves fertilising the oceans with iron in order to promote the growth of planktonic algae (in the hope that they would sink to the seabed, taking their carbon with them), can be covered by the London Convention on marine pollution, which regulates dumping at sea, and has already addressed itself to research in the area.
Since the 1960s, the area has been a haven for hikers and hippies, but the valley is being threatened by the terrible air pollution.
As I zip silently around the San Francisco Bay Area in a new Ford Focus Electric, the stylish battery-powered car emits not a molecule of carbon pollution.
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The number of hours spent daily, as well as the detrimental health effects of wood burning and indoor pollution -- such as eye and respiratory ailments -- risk contributing to the persistence of the area's poverty.
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