World Environment Day 2025: Know why it is celebrated on June 5

World Environment Day is celebrated on June 5 across the world to sustain awareness around environmental action.

On this day people plant trees, reduce waster support renewable energy to mark the occasion.

The World Environment Day was primarily started by the United Nations Environment Programme (UNEP). Notably, United Nations General Assembly declared June 5 as World Environment Day during the Stockholm Conference in 1972.

World Environment Day was first celebrated in 1973. The first theme for the day was “Only One Earth.”

This year's commemoration is hosted in Jeju, Republic of Korea, under the theme #BeatPlasticPollution. Since launching in 2018, the UNEP-led campaign has advocated for a just and inclusive transition away from plastic dependency.

According to the UN Convention to Combat Desertification, up to 40% of the planet’s land is degraded, directly affecting half of the world’s population. Hence, environment is needed to be conserved.

In order to mark the day, schools, colleges, offices, and other bodies hold events to raise awareness about environmental causes.

Involve local people to tackle plastic pollution and take action to protect the environment for healthy life.

To mark this occasion, Prime Minister Narendra Modi on Wednesday planted a Peepal sapling in the national capital. Later in the day, PM Modi is scheduled to attend an event in Buddha Jayanti Park.