Earth Day is the world’s largest movement. If you’re looking to take action to help protect our planet, you’ve come to the right place.

Although it is a year-round effort, Earth Day is observed on Thursday, April 22.

According to EarthDay.org, more than 1 billion people in 192 countries now participate in Earth Day activities each year. It’s a necessity to help restore our Earth and further climate action.

How much do you know about Earth Day? Take our quiz below!