Water Resources
Charles River Watershed Association, Massachusetts Coastal Zone Management: Boston Harb, Massachusetts Water Resources Authority
Acoustical Society of America - Greater Boston Cha
Includes meeting schedules and topics, along with membership information.
AlongTheCharles.com
Photos of wildlife and sights along with maps of the Charles River.
Blue Hill Observatory
The oldest continually-operated weather observatory in the U.S. Offers guided tours on weekends. Includes weather archives, a photo gallery, information for teachers, and current conditions.
Friends of Boston Harbor Islands, Inc.
Provides tours, trail maintenance, and advocacy for preservation of the Boston Harbor Islands. Includes information about the islands, an event calendar, a newsletter, and information about volunteering.
Friends of Breakheart Reservation
Volunteer organization dedicated to the preservation and improvement of Breakheart Reservation and Camp Nihan. Contains a list of activities, downloadable maps, and membership information.
Greater Boston Mass Spectrometry Discussion Group
For individuals engaged or interested in all aspects of mass spectrometry. Contains event schedule, employment ads, and membership information.
Greater Boston Physicians for Social Responsibilit
Affiliate of the Physicians for Social Responsibility, focusing on the linkages between environmental exposures and health. Includes detailed information on current projects, report purchase forms, and membership information.
Toxic Air Pollution
Map showing risk of top carcinogens for Boston and nearby communities. From the Natural Resources Defense Council.
Zoo New England
Franklin Park Zoo in Boston and Stone Zoo in Stoneham. General information, virtual tour, animal pictures, volunteer information, and conservation plans.