Search for "articles, theses, books, abstracts and court opinions, from academic publishers, professional societies, online repositories, universities and other web sites." Go to Settings-->LibraryLinks to connect gScholar to the Library's databases.
If you can't find a free version of an article, ask a librarian to help you get it.
Information on human impact to the environment from scholarly, government and general-interest sources. Includes topics such as global warming, green building, pollution, sustainable agriculture, renewable energy, recycling, and more.