Environment in peril /

I whakaputaina 1991

Healing the planet : strategies for resolving the environmental crisis /

ā- Ehrlich, Paul R.
I whakaputaina 1992

Simple in means, rich in ends : practicing deep ecology /

ā- Devall, Bill, 1938-
I whakaputaina 1988

Deep ecology /

ā- Devall, Bill, 1938-
I whakaputaina 1985

Global environmental change : understanding the human dimensions /

I whakaputaina 1992

Conservation through cultural survival : indigenous peoples and protected areas /

I whakaputaina 1997