Sure, here are five fun facts about Earth Day!
1. The first Earth Day was celebrated on April 22, 1970, and was organized by U.S. Senator Gaylord Nelson to raise awareness about environmental issues.
2. Earth Day is now celebrated in over 190 countries around the world, making it one of the largest secular observances in the world.
3. The Earth Day flag was created by artist John McConnell in 1969 and features a picture of the Earth from space on a dark blue field.
4. In 2016, the Paris Agreement on climate change was signed on Earth Day, with 195 countries pledging to reduce their greenhouse gas emissions.
5. Every year on Earth Day, people all over the world participate in activities like tree planting, litter cleanups, and environmental education programs to help protect the planet.