On March 22, join the United Nations and individuals across the world in celebrating the 19th annual World Water Day.
According to the U.N., the day is meant to focus "attention on the importance of freshwater and advocating for the sustainable management of freshwater resources."
As the infographic at HuffPost Green shows, hundreds of millions of people lack access to clean water, while some of the most common products and services we use every day require hundreds, if not thousands, of gallons of water to exist. Check it out here.