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- Hoagland, Edward (15)
- Matthiessen, Peter, 1927- (10)
- Olson, Sigurd F., 1899- (8)
- Zwinger, Ann (8)
- Ehrlich, Gretel (7)
- Williams, Terry Tempest (7)
- Carr, Archie Fairly, 1909- (6)
- Jaeger, Edmund C. (6)
- Peattie, Donald Culross, 1898-1964 (6)
- 加藤, 尚武(1937-) (6)
- 高橋, 裕(1927-) (6)
- Intergovernmental Panel on Climate Change (5)
- Nelson, Richard K. (5)
- Teale, Edwin Way, 1899- (5)
- Wilson, Edward Osborne, 1929- (5)
- Worster, Donald, 1941- (5)
- リサイクル文化編集グループ (5)
- 岡本, 達明 (5)
- 松崎, 次夫 (5)
- Nash, Roderick, 1939- (4)
- Thoreau, Henry David, 1817-1862 (4)
- パステル (4)
- 堀, 輝三(1938-) (4)
- 宮本, 憲一(1930-) (4)
- 小梨, 直(1958-) (4)
- 石牟礼, 道子(1927-) (4)
- Boufford, David E. (3)
- Brown, Lester Russell, 1934- (3)
- DeBlieu, Jan (3)
- Finch, Robert, 1943- (3)
- Heinrich, Bernd, 1940- (3)
- Houghton, John Theodore, 1931- (3)
- Hubbell, Sue(1935-) (3)
- Intergovernmental Panel on Climate Change. Working Group 1 (3)
- Intergovernmental Panel on Climate Change. Working Group 3 (3)
- Kittredge, William, 1932- (3)
- Kouba, Leslie (3)
- McKibben, Bill, 1960- (3)
- Murphy, Patrick D., 1951- (3)
- Nabhan, Gary Paul (3)
- Oelschlaeger, Max (3)
- Teale, Edwin Way, 1899-1980 (3)
- UTAN編集部 (3)
- 内田, 安茂 (3)
- 和田, 英太郎(1939-) (3)
- 大場, 秀章 (1943-) (3)
- 安成, 哲三(1947-) (3)
- 小原, 秀雄(1927-) (3)
- 岩槻, 邦男 (1934-) (3)
- 星川, 淳(1952-) (3)
- 桑原, 史成(1936-) (3)
- 武内, 和彦(1951-) (3)
- 河村, 武(1929-) (3)
- 環境庁 (3)
- 西尾, 道徳(1941-) (3)
- 飯島, 満(1955-) (3)
- Abbey, Edward, 1927-1989 (2)
- Bookchin, Murray, 1921- (2)
- Cronon, William (2)
- Evanoff, Richard (2)
- Graham, Frank, 1925- (2)
- Hubbell, Sue (2)
- Illich, Ivan, 1926- (2)
- Intergovernmental Panel on Climate Change Working Group II (2)
- International Union for Conservation of Nature and Natural Resources (2)
- Jaeger, Edmund Carroll, 1887- (2)
- Jaques, Francis Lee, 1887-1969 (2)
- Kittredge, William (2)
- Masumoto, David Mas (2)
- Matthiessen, Peter (2)
- McPhee, John A. (2)
- Meadows, Dennis L. (2)
- Meadows, Donella H. (2)
- Merchant, Carolyn (2)
- Moss, Richard H. (2)
- Randers, Jørgen (2)
- Schimmel, Schim, 1954- (2)
- Shiva, Vandana (2)
- Silko, Leslie, 1948- (2)
- Singer, Peter, 1946- (2)
- Slovic, Scott, 1960- (2)
- Snyder, Gary (2)
- United Nations Environment Programme (2)
- Watson, Robert Tony, 1948- (2)
- Zinyowera, Marufu C. (2)
- ハイムーン (2)
- 三寺, 光雄(1925-) (2)
- 上遠, 恵子 (2)
- 上野, 直大(1965-) (2)
- 仁科, 幸子(1958-) (2)
- 倉品, 吉克 (2)
- 公害等調整委員会 (2)
- 加茂, 直樹(1936-) (2)
- 加藤, 三郎(1939-) (2)
- 千原, 光雄(1927-) (2)
- 外務省 (2)
- 大矢, 正志(1947-) (2)
- 大谷, 剛(1947-) (2)
- 宇井, 純(1932-) (2)
- 小宮山, 宏(1944-) (2)