Dendra estimates it would take just 400 teams of two drone operators, with 10 drones per team, to plant 10 billion trees each year - and at a much lower cost than the traditional method of planting by hand.

The target is to plant 500 billion trees by 2060, in often hard-to-reach places.

Susan Graham, CEO of Dendra Systems, says, "The challenge that we're tackling is a complex one and working with a team of passionate engineers, plant scientists, drone operators, we came up with this idea to use automation and digital intelligence to plant billions of trees."

Continued here