Waste Management

Rural areas as waste recycling centres.

http://www.epa.gov/recyclecity/recovery.htm

What if the world ran out of resources to build?

Building materials made from "waste"

EXAMPLE 1 EcoArk

1.5 million recycled plastic waterbottles used to create a 9-storey high, earthquake, typhoon and fire-proof pavillion

TREEHUGGER.COM