Challenge Participants

Use the tabs below to check out their big ideas and explore all finalists, winners, mentors and judges!

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Photocatalytic Rod for Green and Sustainable Water Purification

2012 Winner

Meet Deepika. She created a cost effective and sustainable water-purification system which harnesses solar energy to disinfect contaminated water. Her innovation aims to help improve the lives of the 1.1 billion people around the world who lack access to clean drinking water.