White Memorial Conservation Center
- Environmental education center and nature museum located in Litchfield. Information on programs, facilities, nature store, events, kids' programs and membership.
- http://www.whitememorialcc.org/

Sunny Valley Preserve
- 1,850 acres of farmland, forests, wetlands and meadows in New Milford and Bridgewater, Connecticut.
- http://nature.org/wherewework/northamerica/states/connecticut/preserves/art5762.html

The Weantinoge Heritage Land Trust
- Regional land trust established in 1965.
- http://www.weantinoge.org/

Land Contamination Report for Litchfield County
- Maps locating potential sources of land contamination, rankings, data summary, and common contaminants. Information provided by the Environmental Defense Fund.
- http://www.scorecard.org/env-releases/land/county.tcl?fips_county_code=09005