Composting

Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA)

Consensus Building

Consumer Pollution

Cost-Benefit Analysis

Cousteau, Jacques Marine Environmental Protection Advocate (1910–1997)

Cryptosporidiosis

DDT (Dichlorodiphenyl Trichloroethane)

Diesel

Dilution

Dioxin

Disasters: Chemical Accidents and Spills

Disasters: Environmental Mining Accidents

Disasters: Natural

Disasters: Nuclear Accidents

Disasters: Oil Spills

Donora, Pennsylvania

Dredging

Dry Cleaning

Earth Day

Earth First!

Earth Summit