Research programme of applied science projects to aid DEFRA make policy decisions concerned with air pollution, acid rain, and the effects on freshwater systems in the UK.
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.
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.