Northeastern Center for Forest Health Research
- USDA Forest Service laboratory conducting research on forest tree insects and diseases in the northeastern U.S., located in Hamden. Describes research, facilities, and staff capabilities.
- http://www.fs.fed.us/ne/hamden/

Newhall Remediation Project
- Neighborhood history, information about environmental contamination, cleanup plans, public meetings, and related topics.
- http://www.newhallinfo.org/