They include metal, plastic, wood and concrete.

BBC: Boston Marathon 'bombing suspect' seen on video

Following the quake, investigators in Yunlin county discovered that three crumbled structures had been erected by a construction company that had used empty plastic bottles and tin cans as filler to save on concrete and bricks. (The owner was arrested.) In Dali, a massive apartment block suffered major damage: one of the 11-story buildings was uprooted from the ground and fell backward.

CNN: ASIANOW - TIME Asia | Taiwan: The Day the Earth Moved--Page 3

The workers, some wearing only plastic sandals, deftly make their way along narrow, five-meter high concrete platforms that divide the slipways and cranes that keep the vessels steady while they're being built.

CNN: Made-in-China superyachts reflect changing tide of economy

Just so we are clear about this particular waste let me explain directly from the European Topic Centre on Sustainable Consumption and Production: CND waste includes soils, concrete, bricks, glass, wood, plasterboard, asbestos, metals and plastic.

FORBES: Coming Soon: Intelligent Recycling Robots