World Environment Day 2026 theme, logo, significance, quotes, slogans and activities you can plan on June 5

World Environment Day 2026 theme and logo: World Environment Day is observed globally on June 5. This United Nations campaign unites nations for environmental protection. It raises awareness about climate change, pollution, and biodiversity loss. The day encourages sustainable practices and collective action. Various activities like tree planting and clean-up drives are planned.