Earth Day, held each year on April 22, is a day to show support for environmental protection.
Many communities have events scheduled on and around Earth Day, including clean-up projects, tree plantings and more.
To prepare for Earth Day, take some time to consider the world around us. How much do you know about Earth Day, our planet and environmental concerns? Put your knowledge to the test with these 10 questions.
Dialogue and debate are integral to a free society and we welcome and encourage you to share your views on the issues of the day. We ask that you be respectful of others and their points of view, refrain from personal attacks and stay on topic. To learn about our commenting policies and how our community-based moderation works, please read our Community Guidelines.