Are fish farms like this one in Greece more efficient?
Elena_Alex_Ferns/Alamy
How to feed the world
Vaclav Smil (Penguin Books)
We better hope that Vaclav Smil is wrong about the world food system. If he’s right, the implication is that we’ll end up bulldozing what little is left of nature to keep the food we like on our plates.
I took the message from his new book, How to Feed the World: The Definitive Guideis that the food system should be almost as it is, and it will be…
