| BioRAP: Compendium of medical and health information for students, teachers and individuals. Provided by Connecticut United for Research Excellence, Inc. |
| Connecticut Audubon EcoTravel: Information on day and overnight trips for birdwatching and other naturalist pursuits, in Connecticut and worldwide. |
| Connecticut Butterfly Association: Promotes the awareness and appreciation of butterflies and moths. Field trips, programs, checklist, species accounts, and field notes. |
| 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. |
| Connecticut Climate Change: Greenhouse gas inventory, state action plan, initiatives, news and events. |
| Connecticut Islands: Island number, name, location and associated body of water. |
| 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. |
| Connecticut Woodlands: Printed publication featuring news, issues, articles and opinions on conservation in Connecticut. |
| 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. |
| Degree Confluence Project: Contains photographs of the intersections of integer latitude and longitude degree lines for Connecticut project sites. |
| Geographic Zones for Total Nitrogen Management Loads: Showing the watersheds of Connecticut as well as Long Island Sound. |
| 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. |
| National Earthquake Information Center: Connecticut: Seismicity map of and information on earthquake history in the state. |
| Soil and Water Conservation Districts: State map outlining districts for conservation. |
| The Connecticut Envirothon: Problem solving, natural resource education program for high school students which culminates in field competition. |
| Toxics in Connecticut: Town-by-town profile of the toxic elements which threaten each community. |
| U.S. Geological Survey: Science information for the state includes real-time reports for drought, water data, earthquake activity and mineral Information. |
| UConn Home & Garden Education Center: Educational outreach program provided by the University of Connecticut that offers information on a range of subjects, including soil testing, lead poisoning, indoor air quality, food safety and septic system management. |
| USGS Minerals Information for Connecticut: Provides Minerals Yearbook from 1994 forward, plus map of principal mineral-producing localities report in PDF format. |
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