Book Review: "Sustainability Indicators: measuring the immeasurable" by S. Bell and S. Morse, London, UK, Earthscan, 1999. ISBN: 1-85383-498-X

[Extract] Sustainability Indicators sets out to address a fundamental contradication at the heart of much contemporary planning and project appraisal. While sustainability indicators (SIs) are used to ascribe exact measures to the state of resources, pressures on those resources and management responses, sustainability itself is an immeasurable concept; a 'moving shadow'. This is not to say that SIs cannot be useful, but that their development, application and interpretaion, need to be incorporated in systemic and participatory processes that take more account of the subjective and fluid nature of sustainability