US EPA - Acid Rain
- Information about causes and effects, how acid rain is measured, and what is being done to solve the problem. Includes activities for students.
- http://www.epa.gov/acidrain/

US EPA Acid Rain Program
- About EPA efforts reduce electric utilities' emissions of sulfur dioxide and nitrogen oxides, the pollutants responsible for acid deposition. The program includes a system of tradable SO2 emissions allowances.
- http://www.epa.gov/airmarkets/progsregs/arp/

The Monitoring Acid Rain Youth Program (MARYP)
- Summary report of an educational program where young people monitored acid rain levels in a network of forest stations. Page includes list of participants.
- http://www.trentu.ca/academic/biology/maryp/1996finalreport/1996final.html

UK Acid Waters Monitoring Network
- Monitors the ecological impact of acid deposition in areas of the United Kingdom believed to be sensitive to acidification.
- http://www.ukawmn.ucl.ac.uk/

What is Acid Rain and What Causes It?
- A discussion of the causes and effects of acid rain, and possible policy solutions.
- http://www.policyalmanac.org/environment/archive/acid_rain.shtml

PPRP Atmospheric Deposition Measurement and Analysis
- Information about and from regional acid deposition monitoring programs in the Chesapeake Bay watershed (USA).
- http://esm.versar.com/pprp/features/aciddep/aciddep.htm

National Atmospheric Deposition Program (NADP)
- US federal-state-NGO cooperative effort operating a national precipitation monitoring network to observe geographic and temporal trends in acidity, mercury, and other attributes. Includes data, maps, and meeting announcements.
- http://nadp.sws.uiuc.edu/

U.S. Geological Survey Data and Reports on Acid Rain, Atmospheric Deposition and Precipitation Chemistry
- Information resources on acidic deposition in the United States.
- http://bqs.usgs.gov/acidrain/

Acid Rain
- Facts, news, children's resources, and links from Environment Canada.
- http://www.ec.gc.ca/acidrain/index.html

Margot's Acid Rain SEA Project
- Student's fun and informative site about acid rain, in North Carolina and in general.
- http://acidrain.8k.com