NUSAP.net
Resource for exchange of views and education in sustainability, precaution, post normal science, knowledge quality assessment, and the management of uncertainty.
http://www.nusap.net/

Environmental Accord
Sustainability and environmental risk management consultants providing environmental impact assessment, corporate social responsibility (CSR) reporting, environmental audit, environmental baseline studies, environmental information systems, and analytical services.
http://www.envaccord.com/

Environmental Information Resources
Topical sections include US environmental resources (listed both by subject and by name), international environmental resources by country, environmental education programs and campus ecology initiatives, environmental career opportunities, environmental usenet news groups, and environmental listservs. From George Washington Univ.
http://www.gwu.edu/~greenu/index2.html

NALGEP - National Association of Local Government Environmental Professionals (U.S.)
Brings together local environmental officials to network and share information on innovative environmental practices, conduct environmental policy projects, promote environmental training and education, and communicate the view of local environmental officials on national environmental issues.
http://www.nalgep.org/

C.H.I.P.S. Environmental Science and Technology Books
Titles available for online purchase on topics in Law and Regulations, Environmental Analysis, Environmental Chemistry, and Environmental Engineering.
http://www.chipsbooks.com/listes.htm

Environmental Research: A Journal of Environmental Medicine and the Environmental Sciences
Aims to define the etiology of environmentally induced illness and to increase understanding of the mechanisms by which environmental agents cause disease.
http://www.elsevier.com/locate/issn/0013-9351

Environmental Software and Services GmbH
Specializes in the development and implementation of Integrated Environmental Information Systems and model-based Decision Support Systems for a broad range of environmental planning and management applications, including risk, environmental impact assessment, ISO 14000, traffic and air pollution, and urban environmental management.
http://www.ess.co.at/

CEQ NEPA Net
Council on Environmental Quality's central information hub for the U.S. National Environmental Policy Act and the federal environmental impact assessment process, including environmental impact statements.
http://ceq.eh.doe.gov/nepa/nepanet.htm

Government Institutes' Environmental Books and Software
Offers books on environmental science, US federal environmental law, international environmental law, and related topics.
http://www.govinst.com/Merchant2/merchant.mv?Screen=CTGY&Store_Code=ACS&Category_Code=ENVIRON

National Safety Council Environmental Health Center
Provides information on many environmental topics. Includes Crossroads search engine on chemical safety. Frequently asked questions on environmental issues and environmental glossary.
http://www.nsc.org/ehc.htm