4,893,600,000
Liters Provided
4,896,000,000
Liters Provided

SCIENTIFIC AMERICAN - Drinkable Book Turns Dirty Water Clean for a Thirsty World

March 20, 2015

Read more at http://www.scientificamerican.com/article/drinkable-book-turns-dirty-water-clean-for-a-thirsty-world/



SCIENTIFIC AMERICAN - Drinkable Book Turns Dirty Water Clean for a Thirsty World | Blog