| http://www.iclei.org/efacts/acidfig2.gif Circulation of Acidic Pollutants- A simple diagram of sources and transfers of acidic pollutants | |
| http://www.ems.psu.edu/info/explore/acidr/depso2eu.gif Europe Acid Rain Map- Map of levels of acidic pollutants in the atmosphere in Europe, as well as a prediction of future levels | |
| http://www.ns.ec.gc.ca/msc/as/images/acidrainenglish.gif Description of Acid Deposition “acid rain” on Atlantic Provinces in Canada. Provides charts and graphics and trends, but no raw data. Study done 1980-1998. | |
| Environment Agency – Acid rain This is a UK site giving a general overview of Acid Rain cause and effects, as well as providing maps and graphs of acid rain across the UK. | |
| http://www.bham.wednet.edu/acidrain.htm This page is the acid rain and GIS resource page. It includes links to GIS and acid rain pages across the web. | |
| http://ga.water.usgs.gov/edu/phdiagram.html This is a well-detailed graphic of a pH scale by the USGS. | |
| http://odin.dep.no/md/html/acid/From.html This page is designed by the Norwegian Pollution Control Authority and it has two detailed maps of the origins of acidic pollutants across Europe affecting Norway. | |
| http://www.bham.wednet.edu/acidrain.htm Acid Rain and GIS Resources |