They are too numerous to list , and many sub-specialities with different educational requirements.
Richard Fuller - environmentalist - was born in 1960.
Jean Harris - environmentalist - was born in 1922.
Jean Harris - environmentalist - died in 2008.
Dave Currey - environmentalist - was born in 1953.
Anil Agarwal - environmentalist - was born in 1947.
Anil Agarwal - environmentalist - died in 2002.
Patrick Moore - environmentalist - was born in 1947.
Michael Bailey - environmentalist - was born in 1954.
Environmentalist Agrarian Party was created in 1991.
Andrew Lees - environmentalist - died in 1994.
Andrew Lees - environmentalist - was born in 1949.
Edward Hoare - environmentalist - was born in 1949.