Wood-Based Cellofoam could Replace Styrofoam
A biodegradable wood-based foam called Cellofoam, which could offer a greener alternative to Styrofoam. The Cellofoam could be used in a number of other applications, including filtration systems and flame retardants. This prototype bicycle helmet will protect your head with a biodegradable and renewable alternative. http://phys.org/news/2016-01-swedish-scientists-wood-biodegradable-renewable.html/