Chapter 21: Solid and Hazardous Waste

Plants such as willow trees and popular can absorb chemicals and keep them from reaching groundwater or nearby surface water.

a built- on or depression of the ground to hold waste.

Roots of plants such as sunflowers with dangling roots absorb pollution.

Plants can absorb toxic organic chemicals and break them down into less harmful compounds which they store or release slowly into the air.

holds an accumulation of liquids.

disposal of fluids.

Roots of plants can absorb toxic metals.

Internal waste

external waste

not a new concept

produce less, convert to less hazardous substances, rest in long-term safe storage

Roots of plants such as sunflowers with dangling roots absorb pollution

Plants such as willow trees and popular can absorb chemicals and keep them from reaching groundwater or nearby surface water

Plants can absorb toxic organic chemicals and break them down into less harmful compounds which they store or release slowly into the air

Roots of plants can absorb toxic metals

disposal of fluids

holds an accumulation of liquids

a built-on or depression of the ground to hold waste

1979

1980