When Is Earth Day 2024. Earth.org is powered by over 150 contributing writers. The theme of earth day 2024 is “planet vs.
World earth day, also known as international mother earth day, is a globally recognised event dedicated to raising awareness and promoting the sustainability of our planet. The first earth day was held on april 22, 1970, when san francisco activist john mcconnell and wisconsin senator gaylord nelson separately asked americans to join in a grassroots.