Inside this vertical farm, carbon-neutral algae grows under glowing pink lights
9
The algae, a type called spirulina, has a nutritional profile rivaling beef—but with far fewer greenhouse gas emissions.
Most vertical farms grow greens like lettuce or spinach, but a facility in a remote corner of Iceland, run by a startup called Vaxa Technologies, grows microalgae instead. A new study found that the farm’s process is carbon neutral.