Friends of Algonquin Park
Common Loon and Bird Migration Research in Algonquin Provincial Park
General information is given on the loon. See a movie of a Common Loon and listen to the different sounds that the loons are best known for. Included are research questions and answers about impact of the environment on the loon in the...
US National Archives
Docsteach: Birth of the Environmental Protection Agency (Epa)
By the late 1960s, issues of unchecked land development, urban decay, and air, noise, and water pollution came to Americans' attention. In November 1971, the newly created Environmental Protection Agency (EPA) announced a large-scale...