Solid Wastes
 Municipal Waste Disposal
[ Open Dumps || Open Landfills || Incineration || Ocean Dumping ]
Reducing Waste Volume
[ Handling Nontoxic Organic Matter || Recycling || Other Options ]
Liquid-Waste Disposal
[ Secure Landfills || Deep-Well Disposal || Other Strategies ]
Sewage Treatment
[ Septic Systems || Municipal Sewage Treatment ]
Radioactive Wastes
[ Nature of Radioactive Wastes || Historical Suggestions || Bedrock Caverns for Liquid Waste || Bedrock Disposal of Solid High-Level Wastes ]