Learn about the state of the Bay, its future and how you can make a difference in its health. You’ll also tour CBF’s environmentally sustainable headquarters, one of the world’s most energy-efficient buildings, and see how natural elements are incorporated into a workspace with minimal impact on the Bay.

10am-noon; free w/rsvp:  www.cbf.org/calendar: Chesapeake Bay Foundation, Merrill Center, 6 Herndon Ave., Annapolis: 410-268-8816 or htuckfield@cbf (Heather Tuckfield); www.cbf.org.