Deforestation

Planting trees in remote forest locations is a slow, laborious process that still relies on humans with shovels to do all the work. DroneSeed wants to drastically modernize that process by employing squadrons of drones to plant seeds, spray for invasive species, and monitor the tree growth process.

The next eye-popping construction to grace the skyline could be a seawater vertical farm that uses seawater to cool and humidify greenhouses and to convert sufficient humidity back in to fresh water to irrigate the crops.

More than 50% of our planet's massive human population is concentrated into urban centres - and on current estimates, that's likely to be as high as 80% by the year 2050, a year many of us will be around to see. So the challenge facing tod