1. Solid Waste

2. Waste Disposal
Municipal solid waste—waste materials from homes, businesses and other parts of the community
Other solid waste comes from construction debris and certain agricultural and industrial wastes.

3. Waste Disposal Three methods of handling solid waste: Bury it Burn it
Recycle it

4. Waste Disposal Landfills
Open dumps were used until relatively recently. (1976)
Leachate is a polluted liquid made when rainwater dissolves chemicals
Sanitary landfills hold municipal solid waste, construction debris, and some types of agricultural and industrial waste
They have plastic liners and are capped with clay to prevent rainwater from entering.

5. Waste Disposal Incineration Burning of solid waste
Do not take up much space
Do not pose a risk of polluting groundwater
Waste-to-energy plants
Use heat to produce electricity
Release some pollution into the air
Some waste still remains
More expensive to build

6. Recycling Biodegradable
A substance that can be broken down and recycled by bacteria

7. Recycling Metals Glass Iron and aluminum can be melted and reused
Melted to make new glass containers, fiberglass, bricks, tiles and reflective paints

8. Recycling Paper Plastic
Pulp is a thick liquid made from wood, and recycled paper can be turned into pulp, also
Plastic
Made from resins left over from petroleum products
Can be heated, stretched, and molded into plastic products

9. Solid Waste Management
Reduce
Reuse
Recycle