Web of Science (link): Scientific indexing service that provides a comprehensive citation search. WoS gives access to multiple databases that reference cross disciplinary research, allowing for in-depth exploration of specialized subfields within a discipline.
GreenFILE (link):A collection of scholarly, government and general-interest titles includes content on global warming, green building, pollution, sustainable agriculture, renewable energy, recycling, and more. The database provides indexing and abstracts for more than 384,000 records, as well as Open Access full text for more than 4,700 records.
Environmental Impact Statements: Digests (link): Extracts the key issues from complex government-released environmental impact statements, converting massive documents into concise, readable abstracts from 1985-