1. Environmental Science
What is waste?
Environmental Science

2. In Nature In nature there is no such thing as waste
“…in biological cycles whatever is discarded by one organism becomes a resource for other living beings so that nothing is wasted and everything is transformed.”
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3. Beginning of waste Waste Workshops & Kitchen Human & Animal
Carcasses & Remains
Pre-Industrial
Historically waste isn’t a new thing
Much of our waste was organic (easily broken down by natural cycles)
Frugal societies
Rarely were things thrown out
“stuff” was reused
Awesome archeological sites
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4. Industrial and consumer societies
The Industrial Revolution
The production of more goods
Increase consumer waste
Introduction of INORGANIC products
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5. Current Waste
Municipal Solid Waste
Hazardous Waste
E-Waste

6. Municipal Waste
Waste from residences, commercial buildings, hospitals and schools
Paper
Containers and packaging
Food waste
Yard trimmings
Inorganic materials
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7. Trash Videos https://www.youtube.com/watch?v=qo
F7RD7zcIs
Order do it yourself materials

8. Hazardous Waste
“Hazardous wastes are poisonous byproducts of manufacturing, farming, city septic systems, construction, automotive garages, laboratories, hospitals, and other industries”
Comes in three forms – solid, liquid and gas
Looks like:
Paint
Used motor oil
Batteries
Shoe polish
Laundry detergent
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9. E- waste Commercial, Schools, Individual
Electronic devices – Contain hazardous materials
Computers
Fax machines
Copiers
Televisions
Cell phones
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