Globally, women and girls in developing countries spend an estimated 200 million hours every single day just collecting water in areas where potable water isn’t available locally. It’s an arduous task that leads to debilitating injuries, yet the chore falls on the heads of women and children in 76 percent of households surveyed, according to UNICEF.

The errand not only causes physical pain, but also cuts into opportunities to learn and work. With increasing advancements, women can spend less time gathering water and more time getting an education, earning money and more. Here’s who’s helping solve the problem.