The difference is that we're using stuff that's already being grown. It's re-using that which already exists. This could be lawn clippings, coffee grounds, or

The difference is that we're using stuff that's already being grown. It's re-using that which already exists. This could be lawn clippings, coffee grounds, or other compost stuff. It could be rotten food and help solve the food waste problem. We're not growing more food, we're making wasted protein available.