Palmer, J.A. ( 1998). Spiritual ideas, environmental concerns and educational practice. In D. E. Cooper & J. A. Palmer (Eds.), Spirit of the environment: Religion, value and environmental concern (pp. 139-160). London: Routledge.
Weston, A. ( 1994). Back to earth: Tomorrow’s environmentalism . Philadelphia: Temple University Press.
4.
Weston, A., & Cheney, J. ( 1999). Environmental ethics as environmental etiquette: Towards an ethics-based epistemology in environmental philosophy. Environmental Ethics, 21, 115-134.
