• Overview

When: 5 June 2025

Host: Republic of Korea

Visit the official campaign website.

World Environment Day is the biggest international day for the environment. Led by the United Nations Environment Programme (UNEP), and held annually since 1973, it has grown to be the largest global platform for environmental outreach. It is celebrated by millions of people across the world.

The Republic of Korea will host World Environment Day 2025 with a focus on ending plastic pollution globally. Ridding the planet of plastic pollution is an important contribution to achieving the Sustainable Development Goals, including those on climate action, sustainable production and consumption, protection of seas and oceans and repairing ecosystems and retaining biodiversity.

Further information