Saturday, April 30, 2005
Moms And U.S. Agree; Kyoto Uses Limited Science
"The facts are, that while emissions from automobiles and power plants are polluting the air we breathe in our lower atmosphere, it's the emissions from airplanes in our upper atmosphere that cause the most widespread and long-term damage to our climate.
:
Generally, emissions released into the atmosphere below about 1,000 meters (3,000 ft), within the mixing layer stay below that level, creating a smog effect, sometimes visible to the naked eye. Ground transportation's major harmful health effects and about 90% of their emissions are even more local than that, falling within only hundreds of feet of the roadway.
However, emissions released above this inversion layer tend to exist for long periods of time and become much more significant global warming drivers than the low altitude emissions, due to both the direct deposit of chemicals into our upper atmosphere, many of which are not naturally occurring, and also 'contrail' actions."
:
Generally, emissions released into the atmosphere below about 1,000 meters (3,000 ft), within the mixing layer stay below that level, creating a smog effect, sometimes visible to the naked eye. Ground transportation's major harmful health effects and about 90% of their emissions are even more local than that, falling within only hundreds of feet of the roadway.
However, emissions released above this inversion layer tend to exist for long periods of time and become much more significant global warming drivers than the low altitude emissions, due to both the direct deposit of chemicals into our upper atmosphere, many of which are not naturally occurring, and also 'contrail' actions."
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