This special feature page from the American Chemical Society (ACS) showcases the up-and-coming field of "green chemistry," that is, the development of chemical products and processes that eliminate or reduce the use and generation of hazardous substances. A list of principles behind green chemistry, a searchable bibliography of green chemistry references, green chemistry links (including...

The Environmental Protection Agency's Brownfields Cleanup and Redevelopment Web site offers a wide array of helpful information and data on the extensive hazardous site cleanup program. Besides up-to-date news and stories, visitors will find official definitions of Brownfields, information on grants, laws and regulations, publications, and more. Perhaps the most helpful to professionals would be...