Private organizations that provide education, advocacy, and other assistance to conservation organizations.

Land Trust Alliance
Promotes voluntary land conservation across the country and provides resources, leadership and training to 1,200-plus nonprofit, grassroots land trusts. The organization provides a newsletter, publications, and training workshops, and an annual national land trust conference.

Massachusetts Association of Conservation Commissions
Serves municipal conservation commissions throughout Massachusetts with a newsletter, annual conference, training, publications and advocacy.

Massachusetts Land Trust Coalition
An informal association of the land trusts of Massachusetts. The coalition is involved in advocacy, training and a listserv, and co-sponsors the annual Massachusetts Land Trust Conference.

Massachusetts Watershed Coalition
A network of watershed associations that are committed to the protection, sound management and enhancement of Massachusetts rivers and watershed ecosystems. They are involved in advocacy and provide informational resources and workshops.