Is an annual event held each year on April 22 to demonstrate support for environmental protection. This year’s theme is “Planet vs. Plastics.” Here are 58 ways you can celebrate Earth Day locally. Native Trees: A Major Keystone to Life: Join Zack Pitchford, owner of Wilcox Nursery, to explore the who, what, when, where and how of keystone trees. Learn how to introduce more trees, and .