Darien Audubon Society
Organization overview, newsletter and information on field trips, special events, speaking programs, projects and birding areas.
Darien Environmental Group
Nonprofit volunteer organization established to educate residents about ways in which they can change consumer and lifestyle habits to benefit the environment.
Darien Land Trust
Land conservation agency which acquires and maintains areas of the town to be held as open space for the benefit of the community.
Friends of Cherry Lawn Park
Volunteer group of residents dedicated to preserving the public park.