This paper argues strongly in favour of a re-examination of the term 'sustainability' in international development research, policy and practice. It demonstrates that the term is understood pluralistically, being both environmental and economic. Within economic interpretations, this paper identifies three clear understandings of 'sustainability', which effect programme design and, ultimately, their impact on poverty significantly. The paper argues that the ramifications of this definition go far beyond semantics and have a significant impact on the development outcomes realised by programmes that incorporate the term. Having evaluated these conceptions, the paper argues for sustainability in development as being interventions that alter the causes of poverty so that the process through which change occurs is improved in an adaptive and permanent way, a permanent increase in adaptability. Evidence is drawn from a review of the literature and policy documentation.

SummaryChanges in agriculture and rural livelihoods in Africa are often attributed to the HIV epidemic. While acknowledging that the epidemic has devastated many families and communities because of excess morbidity and mortality, this review explores other causes of change in agriculture practices and production in southern Uganda. Over the past 20 years labour shortages, because of labour migration and changing aspirations (as well as HIV), crop and livestock pests and diseases, declining soil fertility, changes in commodity markets and a growing off-farm sector have contributed to the changes seen in rural southern Uganda. Policy interventions outside agriculture and health have also had an impact on households. The HIV epidemic has not happened in isolation. The perceived impacts of the epidemic cannot be addressed in isolation from these other drivers of change.

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