Happy Earth Day
Earth Day 2026
Show some ❤ for our planet this Earth Day
When Earth Day was first celebrated in 1970, the Garden's nine islands and six miles of lake shoreline were under construction. Since the beginning, the Garden has been a place where learning never stops. Let our Earth Day selections inspire you. Explore our collection of Earth Day topics below—from the global reach of our plant conservation scientists to eco-friendly tips for your own home.
Our Team at Work
Scientists
Plant Science and Conservation
Join the Movement
Get involved, show support, make a difference
Dive into Nature
On Earth Day (and every day), be surrounded by nature
Science Stories
Read the latest from the front lines
Rare Orchid Discovered in Illinois
Where Have all the Violets Gone?
Tiny but Mighty Heroes
We get by with a lot of help from these friends
Eco-friendly Gardening
Get tips on "greener" gardening






