Plastic's handy, hardy stuff, but we don't want to leave piles of old forks and water bottles for future generations to trip over. Can special additives that break down plastics faster save the day?
Plastic bags are generally unsustainable. Even if they are biodegradable, they take roughly 1,000 years to fully break down. Minnesota company NatureWorks has come up with a green plastic bag, but how eco-friendly is it?