Environment in peril /

Cyhoeddwyd 1991

Healing the planet : strategies for resolving the environmental crisis /

gan Ehrlich, Paul R.
Cyhoeddwyd 1992

Saving our planet : challenges and hopes /

gan Tolba, Mostafa Kamal
Cyhoeddwyd 1992

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

gan Devall, Bill, 1938-
Cyhoeddwyd 1988

Deep ecology /

gan Devall, Bill, 1938-
Cyhoeddwyd 1985

Global environmental change : understanding the human dimensions /

Cyhoeddwyd 1992

Conservation through cultural survival : indigenous peoples and protected areas /

Cyhoeddwyd 1997

Gaia's revenge : climate change and humanity's loss /

gan Liotta, P. H.
Cyhoeddwyd 2007

People and nature : an introduction to human ecological relations /

gan Moran, Emilio F.
Cyhoeddwyd 2006

Society and exploitation through nature /

gan Phillips, Martin
Cyhoeddwyd 2000