“Earth Day is widely recognized as the largest secular observance in the world, marked by more than a billion people every year as a day of action to change human behavior and create global, national and local policy changes. The Earth Day 2022 Theme is Invest In Our Planet. What Will You Do?” from EarthDay.org
The History Behind Earth Day https://www.earthday.org/history/
How are nations and governments getting involved?
How can you help out on Earth Day? https://www.teenvogue.com/story/10-ways-celebrate-earth-day