New York Restoration Project
- Founded by Bette Midler, works to create and restore parks and community gardens. Includes before and after photographs, maps to gardens, special events, details of programs and ways to donate or volunteer.
- http://www.nyrp.org/

Green Guerillas
- Nonprofit organization helping grassroots groups in New York City to establish and maintain community gardens. Information, ongoing projects, success stories.
- http://www.greenguerillas.org/

The City Naturalist
- Photographs of the plants and animals of New York City's Central Park, Riverside Park and Hudson River and descriptions of the habitat,reproduction and value of these living organisms.
- http://www.tc.edu/centers/nature/

Environmental Studies of the World Trade Center Area After the September 11, 2001 Attack
- US Geological Survey report on studies of asbestos and other materials in dust and debris.
- http://pubs.usgs.gov/of/2001/ofr-01-0429/

Natural Resources Protective Association (NRPA)
- Dedicated to the protection of the marine waters of Raritan Bay, Lower New York Bay, and the NY Bight marine ecosystems. Provides information about issues and activities.
- http://www.nrpa.com/