Earth Day 2025 Uk Date. Join millions worldwide in earth day 2025 activities, attend a local event or plan and register your own. On april 22nd, 2025, earth day will turn 55, with 192 countries and over one billion people around the globe expected to participate.

Earth day in 2025 is on tuesday, april 22 (fourth tuesday of april). We invite everyone to support earth day’s 2025 theme: