The New England Aquarium and the Lowell Institute will host Harvard Kennedy School Prof. Cornell William Brooks on June 21 at 6:30PM for a free online conversation on The Call of the Wild in Our Cities  — an historical and local calling for citizen activism to protect our environment. Register here.

The Aquarium is also showing three 22-minute films on a regular basis in its Simons Theatre: Great White Shark, Turtle Odyssey, and Ocean Odyssey. Read synopses and reserve tickets here.