Planting a Billion Trees Each Year: Expert May Use Drones to Make it Happen

Imagine, each year, an army of drones take to the air and head off for a tireless workday of planting trees in some of the Earth's most heavily deforested regions. Like an overnight miracle, one billion new saplings could be sprouting from the ground each year, helping mitigate the rampant tree loss that is harming our world. Now a retired NASA expert wants to make this dream a reality with his drone-powered startup company.