They should place a layer of grease-proof paper between the pizza and the box. In fact I could swear some pizza places used to do this, many years ago? But at

They should place a layer of grease-proof paper between the pizza and the box. In fact I could swear some pizza places used to do this, many years ago? But at least Pizza boxes are biodegradable. Unlike plastic waste, they don't end up dispersed in our environment and washing up on beaches years later.