Types of Urban Waste Explained

Cities worldwide are drowning in trash. Landfills are full, oceans are clogged with plastic. Many are trying to change, but one effort stands apart in its sheer scale and ambition: China's nationwide push to build“zero-waste cities.”The goal is a system where everything is reused, repurposed, or recovered. On the show: Niu Honglin, Steve & Yushun