Environmental Impact
Like all activities involving combustion, operating powered aircraft (from airliners to hot air balloons) release soot and other pollutants into the atmosphere. Greenhouse gases such as carbon dioxide (CO2) are also produced. In addition, there are environmental impacts specific to aviation:
- Aircraft operating at high altitudes near the tropopause (mainly large jet airliners) emit aerosols and leave contrails, both of which can increase cirrus cloud formation — cloud cover may have increased by up to 0.2% since the birth of aviation.
- Aircraft operating at high altitudes near the tropopause can also release chemicals that interact with greenhouse gases at those altitudes, particularly nitrogen compounds, which interact with ozone, increasing ozone concentrations.
- Most light piston aircraft burn avgas, which contains tetra-ethyl lead (TEL). Some lower-compression piston engines can operate on unleaded mogas, and turbine engines and diesel engines — neither of which requires lead — are appearing on some newer light aircraft.
Read more about this topic: Aviation
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... fuel containing a mixture of 95 percent ethanol and 5 percent gasoline EA—Environmental assessment as in an Environmental impact assessment EAR—Estimated additional resources, as ... Regulators Regional Association ESCO—Energy service company ESI—Environmental Sustainability Index ESMAP—Energy Sector Management Assistance Programme ESS—Energy Storage System, as in grid energy storage (electr ...
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... The Army Corps eventually presented a draft Environmental Impact Statement (EIS) ... The MMS issued a Draft Environmental Impact Statement (DEIS) in January 2008, and a Final Environmental Impact Report (FEIR) in January 2009 ... and mitigate Cape Wind’s potential impacts on historic and cultural resources ...
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Famous quotes containing the word impact:
“The question confronting the Church today is not any longer whether the man in the street can grasp a religious message, but how to employ the communications media so as to let him have the full impact of the Gospel message.”
—Pope John Paul II (b. 1920)