Energy, Government, and Defense magazines
- Coal Resource Use
 - Coastal Populations
 - Coastal Zone Renewable Energy Act of 2003
 - Coastal Zones
 - Coastlines, Changing
 - Coming into the Country
 - Commercial Fisheries
 - Compact Fluorescent Light Bulbs
 - Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA)
 - Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA)
 - Conservation and Activism
 - Copyright Page
 - Coral Reefs and Corals
 - Coral Reefs and Corals
 - Corporate Green Movement
 - Cow Power
 - Crude Oil Windfall Profit Tax Act of 1980 (WPT)
 - Cryosphere
 - Cultural Impacts: Venice in Peril, a Case Study
 - Cultural Practices and Environmental Destruction
 
