Bangladesh achieved the Millennium Development Goal for access to water supply three years ahead of time. Now, 98 percent of Bangladeshis can access better water sources. Yet, the country faces a number of water challenges such as water quality, depleted ground water level, pollution, and low access to piped water in slums. While there’s still a long way to go to ensure clean water for all, everyone can help by changing their behaviors. In this effort, children are showing the way.