Margot's Acid Rain SEA Project - Student's fun and informative site about acid rain, in North Carolina and in general. U.S. Geological Survey Data and Reports on Acid Rain, Atmospheric Deposition and Precipitation Chemistry - Information resources on acidic deposition in the United States. 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. 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. 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. Acid Rain: Causes, Effects and Solutions - Information about acid rain, its causes, the gases involved and their chemical reactions, and the damage it does to natural ecosystems. UK Acid Waters Monitoring Network - Monitors the ecological impact of acid deposition in areas of the United Kingdom believed to be sensitive to acidification. Environment Canada - Acid Rain FAQ - Definition and causes of acid rain along with description of impacted environments and health concerns.