Urban Ecology Overview
http://www.pbs.org/earthonedge/ecosystems/urban1.html
IWM: Integrated Waste Management
Landfills: The last resort
https://www.youtube.com/watch?v=pC1u6rJkyzA
HAZARDOUS WASTE:
The Resource Conservation and Recovery Act (RCRA) sets up all laws related to what items are hazardous and where they must be disposed.