AP Environmental Science / Unit 8: Aquatic and Terrestrial Pollution
8.9 Solid Waste Disposal
Notes
- Sanitary landfills have liners, leachate collection and methane capture.
- Incineration reduces volume but releases air pollutants and ash.
- E-waste contains heavy metals.
- Ocean dumping and illegal dumping harm ecosystems.
Practice
Landfill liners prevent:
Barrier under the trash.
Landfills produce methane because:
Anaerobic decomposition.
A drawback of incineration:
Burning releases pollutants.
Ready for more? Take the Unit 8 test.