Polypropylene, a hard-to-recycle plastic, has successfully been biodegraded by two strains of fungi in a new experiment led by researchers at the University of Sydney.

Polypropylene has long been recycling’s head scratching riddle. A common plastic used for a wide variety of products from packaging and toys to furnishing and fashion, it accounts for roughly 28% of the world’s , but only 1% of it is recycled.

Read more via PHYS.ORG.