Un World Water Day 2025 Activities. World water day 2025 will focus on the theme, ‘glacier preservation,’ to highlight the critical role of glaciers in sustaining life and the water cycle. Under the theme “water in a changing world:

World water day 2025 will focus on the theme, ‘glacier preservation,’ to highlight the critical role of glaciers in sustaining life and the water cycle. The theme of world water day 2025 is groundwater: