| #111 | Conservation & recycling. -- Oxford : Pergamon, 1976-1987. --  ISSN 0361-3658 print. --  ISSN 1878-2795 online | 
| #112 | The Conservationist. -- Albany : N. Y. S. Dept. of Environmental Conservation, 1960-1995. --  ISSN 0010-650X | 
| #113 | Continental shelf research. -- Oxford : Pergamon Press, 1982-. --  ISSN 0278-4343 print. --  ISSN 1873-6955 online | 
| #114 | Corporate social-responsibility and environmental management. -- Chichester : ERP Environment, 2002-. --  ISSN 1535-3958 print. --  ISSN 1535-3966 online | 
| #115 | Countryside. -- Brussels : European Landowners' Organization | 
| #116 | Courrier de la Cellule environnement. -- Paris : INRA, 1987-1992. --  ISSN 0995-1083 print. --  ISSN 1778-7009 online | 
| #117 | Critical reviews in environmental science and technology. -- Boca Raton : CRC Press, 1993-. --  ISSN 1064-3389 print. --  ISSN 1547-6537 online | 
| #118 | Cultural geographies. -- London : Arnold, 2002-. --  ISSN 1474-4740 print. --  ISSN 1477-0881 online | 
| #119 | Current contents, Agriculture, biology & environmental sciences. -- Philadelphia : Institute for Scientific Information, 1973-. --  ISSN 0090-0508 | 
| #120 | Current opinion in biotechnology. -- London : Current Biology, 1990-. --  ISSN 0958-1669 print. --  ISSN 1879-0429 online |