A start-up plans to help solve the world's climate problems by using drones to plant forests of seedlings.

"We are going to counter industrial scale deforestation using industrial scale reforestation," says Lauren Fletcher, the founder of BioCarbon Engineering.

The environmental engineer who worked 20 years with NASA wants to use drone technology to plant up to one billion trees a year, without having to plant each one by hand.

Drones will fly two or three meters above the ground and fire out pods containing pre-germinated seeds that are covered in a nutritious hydrogel.

The company's CEO, who might be called ‘Johnny Apple Drone', thinks it should be possible to plant up to 36,000 trees a day, and at around 15% of the cost of traditional methods. And they aren't just looking to create plantations of trees, but full ecosystems.

"Together with tree seeds, we hope to seed in other species including micro-organisms and fungi to improve the soil quality and ensure long-term sustainability of our efforts."

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