Sustainability is the paradigm of our time, yet its use as a guide to planning or decision making is clouded by its ambiguity and the multiplicity of definitions in use. In this paper we address the issue of how best to deal with the multi-faceted nature of sustainability. We outline each of the...

Dryland salinity, as an externality, has an impact on various public assets, including roads, biodiversity and public water supplies. This has been seen as an important justification for government to take action and internalise the pollution. Economic policy instruments have been identified as...