Everyday acts of stewardship Plant the idea of environmental stewardship in your children all year – not only on Earth Day – by making little changes in your daily life. The celebration of Earth Day is on April 22nd and it began in 1970. It has grown into a global event recognized by over 192 countries. Devoting special a day to helping for the earth is a way to demonstrate how much we care about the future of our planet. No matter what you like to do best, there's a way to get involved in Earth Day. You could plant a tree, make a meal with locally-grown vegetables, educate a family member, clean up trash in your neighborhood, set up a bird feeder or save power — the possibilities are endless.