Earthquake History: Connecticut
- Information provided by the USGS Earthquake Hazards Program.
- http://earthquake.usgs.gov/regional/states/connecticut/history.php

Connecticut Butterfly Atlas Project
- Project in which statewide participants identify species of butterflies. Sponsored by the State Geological and Natural History Survey of the CT DEP, the Connecticut Butterfly Association and the Connecticut Entomological Society.
- http://www.yale.edu/peabody/collections/ent/ent_cbap.html

Degree Confluence Project
- Contains photographs of the intersections of integer latitude and longitude degree lines for Connecticut project sites.
- http://www.confluence.org/region.php?id=2

The Connecticut Envirothon
- Problem solving, natural resource education program for high school students which culminates in field competition.
- http://www.ctenvirothon.org/

Connecticut Audubon EcoTravel
- Information on day and overnight trips for birdwatching and other naturalist pursuits, in Connecticut and worldwide.
- http://ecotravel.ctaudubon.org/

U.S. Geological Survey
- Science information for the state includes real-time reports for drought, water data, earthquake activity and mineral Information.
- http://www.usgs.gov/state/state.asp?State=CT

Connecticut Climate Change
- Greenhouse gas inventory, state action plan, initiatives, news and events.
- http://www.ctclimatechange.com/

Connecticut River Estuary Regional Planning Agency
- Provides services areas of land use, transportation, and conservation to the towns of Chester, Clinton, Deep River, Essex, Killingworth, Lyme, Old Lyme, Old Saybrook and Westbrook.
- http://www.crerpa.org/

Connecticut Butterfly Association
- Promotes the awareness and appreciation of butterflies and moths. Field trips, programs, checklist, species accounts, and field notes.
- http://www.ctbutterfly.org/

Geology of Connecticut
- Yale-New Haven Teachers Institute presents a general introduction to the topic, intended for use in an 8th or 9th grade science classroom.
- http://www.yale.edu/ynhti/curriculum/units/1995/5/95.05.01.x.html

Geographic Zones for Total Nitrogen Management Loads
- Showing the watersheds of Connecticut as well as Long Island Sound.
- http://www.epa.gov/NE/eco/lis/maps/nloads.html

Connecticut's BioBus
- Mobile biotechnology laboratory that travels to middle and high schools throughout the state to provide students with a hands-on BioScience experience.
- http://www.ctbiobus.org/

Connecticut Woodlands
- Printed publication featuring news, issues, articles and opinions on conservation in Connecticut.
- http://www.ctwoodlands.org/Woodlands.html

National Earthquake Information Center: Connecticut
- Seismicity map of and information on earthquake history in the state.
- http://gldss7.cr.usgs.gov/neis/states/connecticut/connecticut.html

BioRAP
- Compendium of medical and health information for students, teachers and individuals. Provided by Connecticut United for Research Excellence, Inc.
- http://www.biorap.org/

USGS Minerals Information for Connecticut
- Provides Minerals Yearbook from 1994 forward, plus map of principal mineral-producing localities report in PDF format.
- http://minerals.usgs.gov/minerals/pubs/state/ct.html

Soil and Water Conservation Districts
- State map outlining districts for conservation.
- http://www.ccrpa.org/swcds.htm

Toxics in Connecticut
- Town-by-town profile of the toxic elements which threaten each community.
- http://www.toxicsaction.org/ct/tic/index.html