1990 Asahi Shimbun Prize

1990 Goldene Blume von Rheydt Prize, Germany

1992 Purple Ribbon Medal, Japanese Government

1995 Reinhold Tüxen Prize, Germany

1996 Nikkei Global Environmental Technology Awards

2000 Order of the Sacred Treasure, Gold and Silver Star, Japanese Government

2002 Japan Culture Life Award

2003 Distinguished Service Award, Ecological Society of Japan

2006 Blue Planet Prize, considered the Nobel Prize in the field of environment protection

2013 Inducted into the Earth Hall of Fame, Kyoto

Today, even at the age of 93, he leads an active intellectual life by being Professor Emeritus, Yokohama National University, and Director, Japanese Center for International Studies in Ecology. Besides, he continues to advise and guide conservationists across the world.