Nikhilesh Das: Cleaning up oil spills -- with hair, feathers and sawdust
Rural innovator Nikhilesh Das was awarded the fifth National Grassroots Innovation Award by Indian President Smt. Pratibha Patil for his innovative research on controlling oil pollution in water. [Note: We want you to see these talks exactly as they happened! The archive footage might be a little rougher than the usual TED.com talk.]
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