Use scholarly articles as the foundation for your paper. They are valuable because they are written by experts in the field and they back up their arguments with evidence (citations and data).
Environmental Sciences and Pollution Management: multidisciplinary database provides unparalleled and comprehensive coverage of the environmental sciences. Abstracts and citations are drawn from over 10,000 serials including scientific journals, conference proceedings, reports, monographs, books and government publications.
GreenFile: indexes and abstracts over 384,000 articles, books and government documents on global warming, environmental protection and renewable energy.