In the 21st century, we not only know the earth is NOT flat, we also have an entire day devoted to our planet. Here are 15 fun facts to help you celebrate an earth that won’t you drop you off into the universe if you walk to far.

15. Start from the beginning. The first Earth Day was held April 22, 1970. Tree huggers and bell bottoms were as important as saving the earth.

14. That first Earth Day was the catalyst for the formation of the Environmental Protection Agency (EPA) in December of the same year.

13. Earth Day initiatives have also resulted in the passage of the Clean Water, Clean Air and Endangered Species acts. Save the whales and the pandas, anyone?

12. Disney Earth Day. Even Disney gets in on the Earth Day action with their 2009 release of the Earth documentary.

11. In 6 weeks, an aluminum can be manufactured, filled, sold, recycled and a new one manufactured in its place. This year for Earth Day, why not start the short 6 week process by picking up cans for recycling?

10. It took 20 years for Earth Day to be an international celebration. In 1990, 200 million people in 141 countries joined the festivities.

9. Schools love Earth Day with kids from around the world celebrating conservation and recycling and the earth itself.

8. The office supply store Staples loves trees and the earth too. They recently introduced a paper made entirely without new trees.

7. If you do decide to recycle even one can in honor of Earth Day, that one act of recycling saves enough energy to watch television for THREE hours.

6. Earth Day is celebrated on the first day of spring in the northern hemisphere.

5. The United Nations Earth Day ceremony celebrates the ringing of the Peace Bell given to the UN by Japan and made by school children donating coins to signify peace.

4. Only 11% of the Earth’s surface is used to grow food. Try growing a backyard garden to use earth of earth to grow your own food and seek out sustainable, local crops when possible.

3. One bus carries as many people as 40 cars. Carpooling and ridesharing are great ways to celebrate Earth Day and beyond!

2. The UN officially changed the name of Earth Day to Mother Earth Day. America sticks with the more simple name but still makes the day special.

1. More than 100 billion pieces of junk mail are delivered every day. To save the earth from drowning in catalogs and other junk mailers, try shutting off catalog services or go digital for bills and magazine subscriptions.

Even small steps to recycle or reduce waste help to celebrate our earth on Earth Day and beyond.