Search the Westchester Library System Catalog:


Science & Nature

library cardGale Virtual Reference Science eLibrary & Resources Encyclopedia of Science, American Men and Women of Science, and more tutorialicon

U.S. Government Websites

NSDL National Science Digital Library High quality online educational resources for teaching and learning, with current emphasis on the sciences, technology, engineering, and mathematics (STEM) disciplines Gateway to authoritative selected science information provided by 13 U.S. Government agencies, including research and development results Provides impartial information on the health of our ecosystems and environment, the natural hazards that threaten us, the natural resources we rely on, and the impacts of climate and land-use change

Local Government Websites

Federated Conservationists of Westchester County Provides education about environmental issues, problems and solutions; advocates sound decision making; and works with groups and individuals to protect Westchester’s natural resources

New York State Department of Environmental Conservation Information on outdoor recreation and environmental issues

Additional Websites

Encyclopedia of Life An open, collaborative and freely accessible digital project that gathers, generates and shares knowledge of all living species

The Internet Bird Collection

World Science U Innovative online science courses



Due to Covid-19, service hours may change without notice. If in doubt, call ahead.

The Chappaqua Library is open for public in-person browsing.

Curbside pickup seven days a week. 

Monday - Thursday 10:00AM to 7:30PM
Friday 10:00AM to 5:30PM
Saturday 10:00AM to 4:30PM
Sunday - 1:00PM to 5:00PM

facebook square brands whitetwitter square brands whiteinstagram square brands white

  ©2015, Chappaqua Library
195 South Greeley Avenue
Chappaqua, New York 10514
Phone: 914.238.4779,
Fax: 914.238.3597 

Sign up for the library news