Meet Hannah. Hannah's Ocean Energy Probe aims to provide a stable power source and fresh water to developing countries around the globe by using untapped energy from ocean currents. The energy is stored in a generator, and then can be harnessed for many uses, including the desalinization of water.
Meet Gitanjali. Gitanjali hopes to reduce the time of lead detection in water by using a mobile app, to connect over Bluetooth to get status of water, almost immediately.