Current food packaging often contains films that must be removed before recycling, increasing costs. (Credit: Lunatictm/Shutterstock)
Rip open a bag of chips and you’ll find a shiny, silver material staring back at you. This metallized film helps keep packaged foods like cookies and energy bars tasting fresh by preventing gases from leaking out (or in). The material is the industry standard for flexible, shelf-stable food packaging. But it’s not so great for the environment.
To recycle th