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Nguyễn Minh Nga (

With aspirations to become an environmental engineer, Minh Nga Nguyen, winner of the Investigations category, used agricultural by-products such as corn husks, bamboo scraps and rice waste, to create a biochar product with the dual capability of filtering water and then being used as a fertilizer.

Kim Anh
Published on
Thursday, March 8, 2018 - 14:13
File size
7.22 MB
15 min 46 sec