The Norwalk River Watershed Association (NRWA) will hold its annual meeting Tuesday, May 21, 6 p.m., in the Rimer Room at Wilton Library. There will be a discussion of current projects.

The meeting precedes a talk by adventurer, scientist and conservationist Gregg Treinish at 7, in the library’s Brubeck Room. His presentation is co-sponsored by the association, Wilton Go Green and the library. Both events are free. Registration for Mr. Treinish’s talk is recommended. Visit wiltonlibrary.org or call 203-762-3950.

For information on the NRWA, call 877-679-2463 or email info@norwalkriver.org.