Enter the mighty mealworm. The tiny worm, which is the larvae form of the darkling beetle, can subsist on a diet of Styrofoam and other forms of polystyrene, according to two companion studies co-authored by Wei-Min Wu, a senior research engineer in the Department of Civil and Environmental Engineering at Stanford. Microorganisms in the worms' guts biodegrade the plastic in the process – a surprising and hopeful finding.
"Our findings have opened a new door to solve the global plastic pollution problem," Wu said.
Read the full article here: http://news.stanford.edu/news/2015/september/worms-digest-plastics-092915.html
It's certainly a big step in the right direction to getting rid of some of these - though a major attitude change throughout the world is also needed to keep the islands from reforming again...