Nature & Environment
Can eating seaweed and algae keep the world fed?
...become easier to farm these smaller fish because the algae, cyanobacteria and other plankton they eat could actually benefit from warmer waters and higher levels of CO₂ in the atmosphere. This is because they get their energy from photosynthesis and so use CO₂ like fuel. It might also be possible to take this a step further and add some of these organisms directly to...