In the Philippines, many homes along the coastline are built on bamboo stilts to protect them from incoming tides. But the stilts are there for another reason, too: homes without them not only flood, but become filled with the garbage that floats in on the waves. 

Anne-Marie Vettorel chats with Mathu Jeyaloganathan about some innovative solutions that could reverse the waste problem in the Filipino city of Iloilo.