Comments like this show how out of touch the average person is with how much waste is involved in animal products - particularly beef.

We can so easily grow enough food to feed everyone.

Livestock takes up >80% of land, yet produces <20% of calories.

The <20% of land that is used to grow food - only ~55% goes to feed people. The rest goes to animals and ethanol.

The apocalypse is nowhere near close.

The Earth's crust is ~2.5% potassium. A lower supply of Potash is not going to cause the end of the world.