April 22, 2022 Earth Day: Taking action today, assuring the mission of tomorrow As a steward of almost 9 million acres encompassing forests, prairies, deserts, wetlands, and coastal habitats, the Department of the Air Force recognizes the importance of protecting and sustaining the natural environment.
April 22, 2020 Celebrating Earth Day 2020 Earth Day, an annual holiday celebrating environmental protection, was first celebrated on April 22, 1970. This graphic displays several ways people can help the planet.