A free environmental information fair will take place from 11 a.m. to 3 p.m. April 17 at St. Edward State Park in Kenmore to commemorate the 40th anniversary of Earth Day.

Sponsors are Washington State Parks, Friends of Saint Edward State Park and Cascadia Environmental Science Center.

There will be door prizes, kid-friendly activities and demonstrations (wormbins, pruning, butter churning and more).