Energy, Government, and Defense magazines
- Cumberland Mountain Area Scarred by Strip Mining
 - Debate of Senate Bill 203. 38th Congress, 1864
 - Delhi Declaration
 - Demonstrations against Transfer of French Warship to India for Asbestos Removal
 - Department of the Interior Established
 - Desert and Desertification
 - Discovery of the Yosemite
 - DOI Trans-Alaska Pipeline Authorization Act
 - Drainage Basins
 - Drawing the Line in Mississippi
 - Dust Bowl Blues
 - Dust Cloud over Japan
 - Earth Story
 - Earth Summit (1992)
 - Earth Summit (2002)
 - Ecodisasters
 - Ecological Competition
 - Ecological Land Mines
 - Economic and Security and Recovery Act of 2001
 - Economics of Climate Change
 
