U this includes most of what we throw out on a day to

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u This includes most of what we throw out on a  day-to-day basis. u The amount of municipal solid waste is growing  much faster than the amount of mining or  agricultural waste.
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What is it made up of? u Municipal solid waste  creates more than  210 million metric tons  each year of solid  waste.  This is only 2  percent of the total  solid waste in the  United States.
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Mining, manufacturing and agricultural waste u Consumers indirectly create manufacturing waste by  purchasing products . u Mining wastes include rock and minerals that are left  exposed in large heaps,  or dumped in oceans and rivers  u Agricultural waste makes up 9% of the total solid waste, but  is biodegradable.  u The increased use of fertilizers and pesticides may cause  agricultural waste to become more difficult to dispose.
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Where the waste goes u Over 50 % of  waste is disposed  in landfills u 15 % Incinerated u Only 28% is  recycled
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Landfills u The total number of active landfills in the United States in  1988 was 8,000.  u By 1999, the total number of active landfills decreased to  2,300 because they have been filled to capacity.
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Running out of space The EPA estimates that active landfills in 20 states will be filled to capacity  within 20 years .
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Incinerators u Incinerated materials can be more toxic than  before it was incinerated. u Special air pollution control devices help control  the amount of toxins released into the air. u However, even incinerators with these special air  pollution control devices release small amounts  of poisonous gases and particles of toxic heavy  metals into the air.
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Design of an incinerator
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Reducing Waste
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Do now….
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