Indonesians clean up the beach one sandal at a time

Hundreds of people sifted through a vast wasteland of rubbish strewn across a beach in Indonesia on Thursday, underscoring the Southeast Asian archipelago's mammoth marine waste problem

How to turn the waste crisis into a design opportunity

You might never have heard of expanded polystyrene, but you've definitely used it. It's the lightweight white foam used for everything from packing peanuts to holding boxes of veggies at the supermarket.