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Level 21

Chapter 21

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Solid Waste
Any unwated or discarded material we produce that is not a liquid or a gas.
cleaning and using materials over and over, thus increasing the lifespan of a product.
primary/closed loop recycling
process where materials are recycled into new products of the same type- turning aluminum cans into new aluminum cans.
Industrial Solid Waste
Waste produced by mines, farms, and inustries that supple people with goods and services.
Discarded electronic devices or parts
Municipal Solid Waste (MSW)
Often called garbage or trash, MSW consists of the combined solid waste produced by homes and workplaces other than factories.
secondary recycling
waste materials are converted into new products; shredding tires to make new rubberized road surfacing
Hazardous/Toxic Waste
Waste which threatens human health or the environment because it is poisonous, dangerously chemically reactive, corrosive, or flammable.
Environmental justice
The ideal that everyone is protected from environmental hazards regardless of any factors
preconsumer/internal waste
waste generated in production/manufacturing process
Organic Compouds
Various solvents, pesticides, PCBs, and dioxins
Using plants to remove or absorb chemicals from the soil
postconsumer/external waste
waste generated after purchase/by the buyer
Toxic Heavy Metals
Lead, Mercury, and Arsenic.
materials-recovery facilities
machines or workers recover valuable materials from waste to be sold to manufacturers as raw materials
Waste Management
When we attempt to control wastes in ways that reduce their environmental harm without reducing the amount of waste produced
source separation
separating recyclable materials as they're being discarded rather than at a central facility; having multiple recycling bins
Waste Reduction
When we produce much less waste and pollution and the wastes we do produce are considered potential resources.
Integrated waste management
A variety of strategies for both waste disposal and waste reduction
Surface impoundements
Lined bodies of water in which liquid hazardous wastes are stored
a form of recycling to mimic nature's recycling of nutrients; used for mostly organic waste
Consume less and live a simpler lifestyle
Deep well disposal
A method of waste storage in which liquid waste is pumped below aquifers and into porous rock layers
consist of various types of large polymers and resins (organic molecules made by chemically linking organic chemicals made from oil and gas)
Rely more on items that we can use multiple times.
Seperate and recyle paper, glass, cans, plastics, metal, and other items.
single-pickup system
trash companies picking up non-recycling and recycling together, as opposed to the more expensive dual-pickup system
Brown fields
Abandoned industrial or commercial sites that may be contaminated with hazardous waste
waste-to-energy incinerators
use heat generated from burning waste to boil water and create steam for heating water or space or creating electricity
open dumps
fields or holds in the ground where garbage is disposed and occasionally burned
sanitary landfills
soild wastes spread out in thin layers, compacted and then covered with a layer of clay or foam (this reduces leakage).