Butterflies of Westchester County, New York
Lists species found in the county. Includes pictures and descriptions.
Moths of Westchester County, New York
Lists species found in the county. Includes pictures and descriptions.
Westchester Amateur Astronomers
Non-profit organization providing opportunities to learn more about astronomy, including monthly lectures and stargazing events in Westchester.
Westchester Geology Web Page
Information about County geology, and extensive list of online geology resources.
Westchester Land Trust
Dedicated to protecting open space and promoting responsible land use throughout the county.
Westchester Science and Engineering Fair
A regional science competition for Westchester County High School students. Students compete for entry to the International Science and Engineering Fair. Includes judging categories and forms.