Other
Environment Canada: What Is Acid Rain?
A thorough explanation of acid rain with a focus on the following topics: what is acid rain, the pH scale measures acidity, what does acid rain do, and what can I do about acid rain.
Government of Canada
Government of Canada: Environment: Acid Rain: Causes and Effects
This site is from Government of Canada on the causes and effects of acid rain in Canada, as well as the steps that are being taken to reduce acid rain in Canada.