Improving Access to Clean Drinking Water in Rural Villages. The goal of this challenge is to find innovative solutions that ensure reliable access to clean drinking water in rural villages. The aim is to address water scarcity, improve water quality, and enhance the overall well-being of communities in rural areas. Many rural villages around the world face challenges in accessing clean drinking water. Limited infrastructure, water scarcity, and poor water quality pose significant health risks and hinder the development of these communities. This challenge presents an opportunity to develop sustainable solutions that can provide clean drinking water and promote the health and prosperity of rural villages.