- This event has passed.
Party for the Planet @ Henry Vilas Zoo
April 22, 2018 @ 10:00 AM - 2:00 PM
Join more the 100 AZA accredited zoos and aquariums for the largest combined Earth Day celebration in North America! Visit the MG&E solar energy trailer, climb a tree with Dane County arborists, learn about invasive species, and pick up a free seedling from the DNR!