Ch.21 APES Flashcards
(14 cards)
What are the advantages of recycling
Reduces energy and mineral use, and air and water pollution
Reduces greenhouse gas emissions
Reduces solid waste
What are ways you can produce less solid waste
Refuse
Reduce
Reuse
Recycle
What are the disadvantages of recycling
Costs more
Reduces profits for landfills
Inconvenient
What are the advantages of waste to energy incineration
Reduces trash volume
Produces energy
Concentrates hazardous substances into ash for burial
Sale of energy reduces costs
What are the disadvantages of waste to energy incineration
Expensive
Produces a hazardous waste
Emits CO2
Encourages waste production
What are the advantages of sanitary landfills
Low cost
Can handle large amounts of waste
Filled land can be used for other purposes
No shortage of landfill space in many areas
What are the disadvantages of sanitary landfills
Noise, traffic, dust
Greenhouse gases CO2 and methane
Encourages waste production
Can contaminate ground water
Open loop recycling
Waste materials are converted into different products
Secondary
Closed loop recycling
Materials are recycled into new products of the same type
Primary
What/who is the biggest contributor of MSW in the US
Industrial solid waste from mining
What is integrated waste management
Produce less
Convert to less hazardous
Put in storage
What/who is the biggest contributor of hazardous waste in the US
The military
The U.S. makes up what percent of the world’s population? What percentage of the world’s MSW?
We make up 4.6% and use 25%
What are the priorities recommended by the U.S. National Academy of Sciences for dealing with MSW
Reduce Reuse Recycle/ compost Incinerate Bury
