| Degree Confluence Project: Contains photographs of the intersections of integer latitude and longitude degree lines for Massachusetts project sites. |
| Invasive Plant Information: Fact sheets, articles, and other information for about invasive plant species in the state and native alternatives for use in landscape plantings. From Massachusetts Nursery and Landscape Association. |
| Massachusetts Chapter of Surfrider Foundation: Organization of surfers and environmentalists dedicated to preserving the New England coastal environment, open access to beaches, and eliminating pollution. Issues information, educational materials, and details of meetings in Boston. |
| Massachusetts Islands: Island number, name, location and associated body of water. |
| Massachusetts State Science Fair: Information about the fair, sponsors, donors, how to enter, judging criteria and awards. |
| National Earthquake Information Center: Massachusetts: Includes current earthquake information, near real time earthquake list, seismicity map and earthquake history of the state. |
| National Priorities List Sites in Massachusetts: Site-specific resources, including fact sheets, site narratives and Federal Register notices. Provided by the U.S. Environmental Protection Agency. |
| North Quabbin Woods: Information about forest based recreation, woodworking businesses, and management in the North Quabbin area. |
| Senator William X. Wall Experiment Station (WES): Provides environmental testing and technical services for the Commonwealth of Massachusetts. |
| The Chelsea Center for Recycling and Economic Development: Created by the Commonwealth of Massachusetts to create jobs, support recycling efforts and help the economy and the environment by working to increase the use of recyclables by manufacturers. |
| The Trustees of Reservations: Statewide nonprofit conservation organization managing landscapes of exceptional scenic, historic, and ecological importance. Guide to sites open to the public, information about conservation and legal mechanisms for protecting land. |
| U.S. Geological Survey: Science information for the state includes real-time reports for drought, water data, earthquake activity and mineral Information. |
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