Actually we do: we grow a lot of food to feed cattle, which we can switch to human consumption (and we get to eat the cattle too). We produce a huge surplus of

Actually we do: we grow a lot of food to feed cattle, which we can switch to human consumption (and we get to eat the cattle too). We produce a huge surplus of food. And the potential of disaster does not imply the sky is falling. The potential for disaster is always there. That's still no reason to sit down and give up.