Page from the US environmental protection agency with lots of information on causes and effects of acid rain
Factsheets on air pollution and other environmental topics (see list in left hand menu)
Course study materials from OU website – more detail than you need but interesting background reading.
A selection of articles and news stories on pollution and climate change from New Scientist.
BBC news story on bioaccumulation of pesticides.
BBC news story, how has the world changed 20 years on from the Rio Earth Summit?