Bill Hammack covers his office floor with trash to see what takes up space in a landfill. He digs through fast food containers and diapers to learn that what we really need is green design of our manufactured objects.

Garbage: What is really in a landfill? (video)

Bill Hammack's audio and video work emphasizes the creative role of engineers in designing and creating our world. He's a regular commentator on radio - based at Illinois Public Radio in Urbana he's appeared on public radio's premier business program Marketplace, and on Radio National Australia's Science Show. Many engineering, science, and journalistic groups have recognized his work.

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Garbage: What is really in a landfill? (video)

Garbage: What is really in a landfill? (video)