http://www.landinstruments.net/combustion/products/combustion/images/aerosol-emissions.jpg

http://www.scruffydan.com/blog/images/_wind_turbines.jpg

http://www.krofire.com/PicturesLogos/PV0722.jpg

http://www.acidrain.org/pages/publications/factsheet/img/fact12_Kyoto.gif

USGS-Eruption.jpg

http://knowledge.fhwa.dot.gov/cops/italladdsup.nsf/All+Documents/1F5AE8E071F7A73A852572500076C796/$FILE/Carpool line with school sweat pants.jpg

http://www.thunderbaymuseum.com/flaherty/t175q.jpg

http://www.solcomhouse.com/_borders/Global_Warming.gif

http://see-the-sea.org/topics/pollution/air/INDUSTRY.jpg

http://www.wmin.ac.uk/images/better car exhaust01.jpg

magnet_clip_image002.jpg

camepho5.jpg

http://sitemaker.umich.edu/section4group1/files/hydrogencar.jpg

http://earthobservatory.nasa.gov/Newsroom/NewImages/Images/kilimanjaro_etm_93_00.jpg

http://www.agu.org/report/hurricanes/Katrina_big.jpg

http://www.ecoenquirer.com/global-warming-porn.jpg

http://www.muslimaid.org/admin/photos/drought_desert.jpg