Element Four has developed a machine that creates clean water out of air . Growth of water use has been outpacing the rate of population increase . The team at Element Four shares an ambitious goal : to quench the world 's growing thirst for water . Shortages of clean water pose health challenges in the developing world . Comment:
Element Four has developed a machine that creates clean water out of air . Growth of water use has been outpacing the rate of population increase . Shortages of clean water pose health challenges in the developing world . Comment: