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.

Margot's Acid Rain SEA Project
Student's fun and informative site about acid rain, in North Carolina and in general.

Acid Rain
Facts, news, children's resources, and links from Environment Canada.

UK DTI Energy and the Environment Programme
The programme aims to assess the impacts of proposed energy related environmental policies and regulation on UK industry, and their cost implications for the final consumer.

Acid Rain and Deposition
A general overview of acid rain and deposition, its causes and effects. The consequences of acid rain in Canada and British Columbia are outlined.

Acid Deposition Monitoring and Research in the UK
Information about the acid deposition monitoring networks managed by the National Environmental Technology Centre (AEA Technology plc).

Data and reports on Acid Rain, Atmospheric Deposition and Precipitation Chemistry
U.S. Geological Survey information resources on acidic deposition in the United States.

Effects of Acid Rain on Aquatic Ecosystems
Short primer, from University of Toronto.

National Atmospheric Deposition Program (NADP/NTN)
The US National Atmospheric Deposition Program operates an acid rain observing network that is used to monitor the chemistry of precipitation for geographical and temporal long-term trends. Quality assured precipitation chemistry data (including acidity) and analyzed maps are available for viewing and downloading.

Acid Rain--A Contemporary World Problem
This website explores the causes and solutions to the acid rain problem.

US EPA Acid Rain Home Page
Information about acid rain, its causes and effects, how we measure acid rain, and what is being done to solve the problem. Includes activities for students.

The Acid Rain Report
Student-created site discusses the causes, effects, geographic distribution, and possible solutions for acid rain.

PPRP Atmospheric Deposition Measurement and Analysis
Information about and from regional acid deposition monitoring programs in the Chesapeake Bay watershed (USA).

What is Acid Rain and What Causes It?
A discussion of the causes and effects of acid rain, and possible policy solutions.

UK Acid Waters Monitoring Network
Monitors the ecological impact of acid deposition in areas of the United Kingdom believed to be sensitive to acidification.

Acid Rain News
Features links to news articles and related sites. Includes history, scientific background information and FAQ.