1. Resource Extraction & Waste ENVS 001 Presentation October 28, 2002 Dr. Saleem H. Ali Saleem.Ali@uvm.edu

2. Questions of Renewability How long does it take to naturally replenish a resource? How substitutable is the resource and what is the relative impact of substitutes? What is our “need” for the resource versus our “want” for it? Are there ways of overcoming the natural renewability of the resource?

3. Geological Mineral Resources Metallic Mineral Resources –Elemental material Nonmetallic Mineral Resources –Construction materials –Gems –Food and water Energy Mineral Resources –Coal, Gas, Oil, Uranium (also a metal)

4. Global Impact of Minerals

5. World Mineral Production

6. World Mineral Prices

7. Waste Generation

8. Primary Versus Recycling

9. Global Gold Reserves

10. Importance of Minerals

11. Wants and Needs: Are Diamonds Forever?

12. RCRA (Resource Conservation and Recovery Act of 1976) The solid waste program, Subtitle D, encourages states to develop comprehensive plans to manage nonhazardous industrial solid waste and municipal solid waste, sets criteria for municipal solid waste landfills (MSWLFs) and other solid waste disposal facilities, and prohibits the open dumping of solid waste.Subtitle D The hazardous waste program, Subtitle C, establishes a system for controlling hazardous waste from the time it is generated until its ultimate disposal– in effect, from cradle to grave.Subtitle C The underground storage tank (UST) program, RCRA Subtitle I, regulates underground tanks storing hazardous substances and petroleum products RCRA Subtitle I