• The 300 Committee
  • Alliance to Protect Nantucket Sound
  • Biodiversity Works
  • Brewster Flats
  • Buzzards Bay Coalition
  • Cape Cod Bay Watch
  • Cape Cod Commercial Fishermen’s Alliance
  • Cape Cod Museum of Natural History
  • COASTSWEEP
  • Friends of the Cape Cod National Seashore
  • Friends of Myles Standish State Forest
  • Friends of Hawksnest State Park
  • Green Burial Massachusetts
  • Harwich Conservation Trust
  • Herring Ponds Watershed Association
  • Herring River Restoration Committee
  • Jones River Watershed Association
  • Mass Audubon
  • Mass Climate Action Network
  • Massachusetts Department of Conservation and Recreation
  • Massachusetts Humane Society
  • Massachusetts Water Watch Partnership
  • National Marine Life Center
  • Native Tree Society
  • The Nature Conservancy
  • Neponset River Watershed Association
  • New England Coastal Wildlife Alliance (NECWA)
  • NOAA
  • North and South Rivers Watershed Association
  • Orenda Wildlife Trust
  • PACTV Community News
  • Roger Williams Park Zoo
  • Save the Bay – Narragansett Bay
  • SEMPBA
  • Sierra Cliub
  • South Shore Natural Science Center
  • Sustainable Cape
  • Taunton River Watershed Alliance
  • The Thornton Burgess Society
  • Tidmarsh Farms
  • The Trustees of Reservations
  • Toxics Action Center
  • U.S. Fish and Wildlife Service
  • Vineyard Conservation Society
  • Waquoit Bay National Estuarine Research Reserve
  • Waquoit Bay Reserve Foundation
  • Wareham Land Trust
  • Watershed Action Alliance of Southeastern Massachusetts
  • Westport River Watershed Alliance
  • Wild Care, Inc.
  • Wildlands Trust of Southeastern Massachusetts