Energy resources and the environment

Teacher's study guide on the biology of human populations. door Unesco

Man and the environment an introduction to human ecology and evolution door Boughey, Arthur S.

Living in the environment concepts, problems, and alternatives door Miller, George Tyler 1931-

Environment resources, pollution and society door Murdoch, William W.

Table of contents only

Human settlements preliminary bibliography of Philippine materials, theoretical literature and international case studies

Man's responsibility for nature ecological problems and wstern traditions door Passmore, John Arthur

The environment a human crisis door Piburn, Michael D.

National development and ecological integrity the geographic viewpoints door Luna, Telesforo W.

Population ecology door Quick, Horace F.