Earth Day

Climate / Sustainability

Earth Day

Next date22 April 2027
LocationWorldwide
Related climate topicSustainability

See the wider topic page for connected events and context.

Overview

Why Earth Day still matters

Earth Day is the modern environmental movement’s biggest annual public-action date, linking education, campaigns, cleanups, demonstrations and local projects around 22 April.

OriginFirst held in 1970

EARTHDAY.ORG traces Earth Day back to 22 April 1970 and describes it as a movement that now mobilizes more than a billion people annually.

What happensEvents, cleanups, education and campaigns

People use the day for community cleanups, school material, climate education, tree planting, civic actions, rallies and local environmental events.

Why follow itIt shows where public attention is moving

The annual theme and event map are useful signals for the environmental issues likely to dominate schools, cities, NGOs and public campaigns that year.

Find actionUse the event map and toolkits

The official site publishes event listings, take-action pages, educational material, toolkits and campaign updates.