It really depends on whether you value apples or oranges more highly. My understanding is that paper fares better on the litter front, since even the stuff tha

It really depends on whether you value apples or oranges more highly. My understanding is that paper fares better on the litter front, since even the stuff that escapes landfills still degrades quickly, while plastic tends to fare better on the carbon footprint front, because it's lighter (which reduces fuel burned to ship things) and less energy-intensive to manufacture.