# World health organization
Understanding the Collaborative Effort of World Water Day
Blue and white desk globe on green grassGuillaume de Germain/Unsplash. World Water Day is a collaborative effort to highlight the impact of access to clean water, a valuable resource needed to support sanitation systems, farming, and ecosystems. World Water Day is celebrated annually on March 22 to highlight the 2 billion individuals globally who do not have access to safe water.