[KosmicKitty]

Or just ban all take out food.

All food must be consumed at the location selling said food including independent licensed street vendors

All food must be served on environmentally approved plates and utensils with those plates and utensils being cleaned according to strict environmental laws.

No food may leave the premises in any type of container, even that provided by the customer due the unknown environmental impact of the origin and questionable environmentally sound care of said customer’s container.

[Calvin Locke]

The greenies at State U forced the school's cafes to switch over to "green" sporks. The sporks turned out not to be as biodegradable as promoted.

In the good old days, the problem was people managing to toss trays out a window for traying (in lieu of sleds, etc) that night.