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Chapter 18 Municipal Solid Waste: Disposal and Recovery.

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Presentation on theme: "Chapter 18 Municipal Solid Waste: Disposal and Recovery."— Presentation transcript:

1 Chapter 18 Municipal Solid Waste: Disposal and Recovery

2 Municipal Solid Waste All materials thrown away from homes and commercial establishments; note the PLASTIC!!!!!!

3 U.S. Municipal Solid Waste Composition

4 Where does it go? 55.5% => Landfill 17.2% => Combustion 27.3% => Recycling

5 How much MSW do you accumulate in a week ?

6 Chapter 18 Municipal Solid Waste Or How About At Least Keeping It Municipal

7 Plastics stuff; bags from Samoa, cups from San Francisco Convention Center Video(s) of “the gyre”

8 Solid Waste Problem – It’s solid; it’s “considered” waste & thus should NEVER have been produced … –Disposal (Recycle …) –Landfills (Recycle …) –Combustion: DIOXIN - Waste of Energy –Cost; If it’s not “a” waste; “cost” to recycle lower; “cost” to dispose of is reduced or eliminated.

9 Solutions –Recycling (Finally!)

10 Public Policy & Waste Management –Regulations (Needed when we don’t do the right thing) –Waste Management

11 The Ocean Gyre Trash Vortex A mass of PLASTIC trash TWO TIMES the size of Texas! Leena Richman Carmen So Period 3

12 What is a ocean gyre? swirling vortex in middle of ocean of trash Gyres on earth: –North Atlantic Subpolar Gyre –North Atlantic Subtropical Gyre –North Pacific Subtropical Gyre –South Atlantic Subtropical Gyre –South Pacific Subtropical Gyre –Indian Ocean Subtropical Gyre –Antarctic Circumpolar Current –Weddell Sea Subpolar Gyre –Ross Sea Subpolar Gyre

13 Link to Animation *animation of wind direction; creation of vortex Direction of each gyre…

14 http://putitup.wordpress.com/2008/03/21/great-pacific-garbage/ Ocean gyre from space…

15 The gross trash inside the ocean gyre…

16 Trash Blog A man riding his boat through the mass of trash in the ocean gyre …

17 Cleaning Up: - Ships would haul filters out in the ocean, drag it back to shore and repeat each step to clean the trash gyre The Gyre

18 Important solutions to ocean pollution problems: - Use biodegradable plastic - Ban the worst type of plastics ( hard to degrade ) - Clean up the trash currently in the gyre -Clean up your nearby beach - Recycle!


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