> The key to feeding the world was the Green Revolution... Without it the world’s population would have been limited by starvation billions of people ago. Do y

> The key to feeding the world was the Green Revolution... Without it the world’s population would have been limited by starvation billions of people ago. Do you have references for this particular assertion? Do you mean that without the Green Revolution, billions of people alive then would have starved or do you mean that without the Green Revolution, billions of people wouldn't have been born?