actsnoblemartin
06-27-2008, 01:41 AM
http://news.yahoo.com/s/aviation/20080626/tr_aviation/biofuelsbecomeaviationsbigfocus
As concerns about global warming intensify throughout the world, aviation is receiving a disproportionate level of scrutiny for its contribution to total global production of greenhouse gases.
Even though aviation emits only about one-ninth as much carbon dioxide (CO2) as do motor vehicles, its high-visibility nature as an activity, its rapid growth as an industry and the fact that aviation emits most of its CO2 and particulate emissions in the upper atmosphere has made it a particular target for environmentalists.
As concerns about global warming intensify throughout the world, aviation is receiving a disproportionate level of scrutiny for its contribution to total global production of greenhouse gases.
Even though aviation emits only about one-ninth as much carbon dioxide (CO2) as do motor vehicles, its high-visibility nature as an activity, its rapid growth as an industry and the fact that aviation emits most of its CO2 and particulate emissions in the upper atmosphere has made it a particular target for environmentalists.