World Environment Day

5 June

International

Why this date

Marks the opening of the 1972 Stockholm Conference on the Human Environment; Pakistan hosted the global celebrations in 2021.

About the day

First held in 1973. Each year a host country leads the celebrations with a theme. Pakistan hosted in 2021 with the theme 'Ecosystem Restoration', highlighting its Ten Billion Tree Tsunami programme.

Observed by

UN Environment Programme (UNEP)