American Diet Changing Out Of Economic Necessity
Eating healthier is definitely good.
And probably it's time to start thinking about "peak food", just like "peak oil".
We only have one Earth to cultivate yet world's population keeps growing so rapidly. Shouldn't it hit the peak eventually?
If everyone on earth live the same standard of living of Americans, we need almost 5 earths.
Below is the links for ecological footprint calculator.