Hudson Valley Science and Environment

• Columbia County@
• Dutchess County@
• Orange County@

• Putnam County@
• Rockland County@
• Westchester County@

• Regional: United States: New York: Science and Environment 

• Hudson River Environmental Society  - Nonprofit membership organization which fosters research on the Hudson river. Contains a calendar of upcoming events, report abstracts, and a newsletter.
• Hudson River Valley Greenway  - State agency created to facilitate the development of a voluntary regional strategy for preserving scenic, natural, historic, cultural and recreational resources. Features compact benefits and process, council overview, and list of participating communities.
• Hudson River Valley National Heritage Area  - Recognizes, preserves, protects and interprets the cultural and natural resources of the Hudson River Valley. Includes upcoming sponsored events, dining and lodging in the region, and suggested itineraries.