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Ozone, the main component of smog, is a plant-damaging pollutant formed by emissions from vehicles, cooking stoves and other sources. New research shows that ozonepollution damaged millions of tons of wheat, rice, soybean and cotton crops in India in 2005. Smog in India. Credit: Mark Danielson/Flickr.
Decreases in ambient air pollution levels over the past 20 years in Southern California were associated with significant reductions in bronchitic symptoms in children with and without asthma, according to a study by researchers at the University of Southern California published in JAMA. Kiros Berhane, Ph.D., —Berhane et al.
The CCS was implemented in London in February 2003 with the primary aim of reducing traffic congestion by charging vehicles to enter the central part of London, defined as the congestion charging zone (CCZ). Within the CCZ, the investigators projected a net decline of 1.7 ppb in the annual average mean NO x concentration and a decline of 0.8
Replacing older, high-polluting buses and vehicles with new CNG buses and vehicles can help reduce greenhouse gas emissions. This will reduce county fleet operating costs and facilitate the county’s purchase of new CNG buses and vehicles. The county estimates the project will result in eventual fuel cost savings of $266,764 annually.
I mean, when the electricity it uses is produces, pollution still happens, just not "right from your car"? Having centralized energy production in that way allows for centralized pollution control measures, filters, so-called "clean coal" rather than depending on X number of cars, manufacturers, and consumers to deal with pollution control.
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The main obstacles will be regulatory and, especially, environmental: Supersonic airliners could be hugely more polluting than their subsonic counterparts. That continued until 2003, when British Airways and Air France retired their fleets, together amounting to just 12 aircraft. was founded by billionaire Robert Bass in 2003.
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