One of the most persistent arguments for modern, mechanized agriculture is that it produces a lot of food per acre, leaving more land for other purposes. I’ve often wondered how solid this argument is, and when a debate broke out recently, I decided to look closer.

It started with a paper from a think tank. The Breakthrough Institute study, called Nature Unbound, argued that, by embracing technology, humanity could shrink its footprint and leave more land for “nature.” (more…)