| #41 | Environment. -- Washington : Scientists' Institute for Public Information, 1969-. -- ISSN 0013-9157 print. -- ISSN 1939-9154 online |
| #42 | Environmental conservation. -- Lausanne : Foundation for Environmental Conservation, 1974-. -- ISSN 0376-8929 print. -- ISSN 1469-4387 online |
| #43 | Environmental monitoring and assessment. -- Dordrecht : D. Reidel, 1981-. -- ISSN 0167-6369 print. -- ISSN 1573-2959 online |
| #44 | Environmental research. -- San Diego : Academic Press, 1967-. -- ISSN 0013-9351 print. -- ISSN 1096-0953 online |
| #45 | Environmental toxicology and chemistry : an international journal. -- Oxford : Pergamon Press, 1982-. -- ISSN 0730-7268 |
| #46 | Environmentalica. -- Praha : Karolinum, 1987-1990. -- ISSN 0862-4798 |
| #47 | Epetēris Mouseiou Goulandrē. -- Kefisia : Mouseion Goulandre Fusikes Istorias, 1973-. -- ISSN 0302-1033 |
| #48 | Estonian journal of ecology. -- Tallin : Estonian academy publishers, 2008-. -- ISSN 1736-602X print. -- ISSN 1736-7549 online |
| #49 | European journal of environmental sciences. -- Prague : Charles University in Prague, 2011-. -- ISSN 0300-5402 |
| #50 | Folia oecologica. -- Zvolen : Ústav ekológie lesa SAV, 1998-. -- ISSN 1336-5266 |