A green history of the world /

gan Ponting, Clive
Cyhoeddwyd 1991

Environment in peril /

Cyhoeddwyd 1991

How much is enough? : the consumer society and the future of the earth /

gan Durning, Alan Thein
Cyhoeddwyd 1992

The end of nature /

gan McKibben, Bill
Cyhoeddwyd 1989

Healing the planet : strategies for resolving the environmental crisis /

gan Ehrlich, Paul R.
Cyhoeddwyd 1992

The Changing global environment /

Cyhoeddwyd 1994

Saving our planet : challenges and hopes /

gan Tolba, Mostafa Kamal
Cyhoeddwyd 1992

Global environmental change : a natural and cultural environmental history /

gan Mannion, Antoinette M.
Cyhoeddwyd 1991

Toward global equilibrium: collected papers /

gan Meadows, Dennis L.
Cyhoeddwyd 1973

Global environmental debate : a transcript of talks given by five ecologists at a meeting in Wellington on 16 March 1989 organised by the Pacific Institute of Resource Management (...

Cyhoeddwyd 1989

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

gan Devall, Bill, 1938-
Cyhoeddwyd 1988

Deep ecology /

gan Devall, Bill, 1938-
Cyhoeddwyd 1985

Thinking green : an anthology of essential ecological writing /

Cyhoeddwyd 1989

The human impact on the natural environment /

gan Goudie, Andrew
Cyhoeddwyd 1990

Environment and population : problems and solutions /

gan Waldron, Ingrid
Cyhoeddwyd 1973

Man & environment [vol.2 : by] John Blunden.

Cyhoeddwyd 1977

A framework for research on the human dimensions of global environmental change /

gan Jacobson, Harold Karan
Cyhoeddwyd 1991

Global environmental change : understanding the human dimensions /

Cyhoeddwyd 1992

Guardians of the land : indigenous peoples and the health of the earth /

gan Durning, Alan Thein
Cyhoeddwyd 1992

The earth transformed : an introduction to human impacts on the environment /

gan Goudie, Andrew
Cyhoeddwyd 1997