If there is one technology that symbolizes the global water sector’s future struggles, it would be the toilet. While there have been plenty of advances in farming irrigation and water purification, toilets are still stuck in a Victorian-era time warp. Granted, sanitation is improving across the world. In 1990, only 54 percent of the world’s citizens had access to flush toilets or covered latrines; the World Health Organization says that as of 2015, that metric