How technology can help feed the planet

How technology can help feed the planet Weeding robots could reduce the need for farm workers, and allow precision protection of crops. Pictured, a weeding robot at an agricultural research farm in eastern France. Located off the coast of Noli, Italy, Nemo's Garden is the world's first underwater cultivation system for terrestrial plants. It consists of an array of floating dome-shaped greenhouses, which are anchored to the sea floor.