"Risk analysis integrating livelihood and economic impacts of wastewate" by Marites M. Tiongco, Clare A. Narrod et al.
 

Risk analysis integrating livelihood and economic impacts of wastewater irrigation on health

College

School of Economics

Department/Unit

Economics

Document Type

Book Chapter

Source Title

Wastewater irrigation and health: Assessing and mitigating risk in low-income countries

First Page

126

Last Page

145

Publication Date

2009

Abstract

This chapter provides a brief review of methods and approaches for evaluating the consequences of using wastewater to irrigate vegetables. The following five objectives are considered:(a) analysing poor producers’ and consumers’ knowledge, attitudes and perceptions of the risks associated with pathogen contamination/exposure, and the economic consequences on health and livelihoods;(b) analysing the costs and benefits of non-treatment interventions at the farm level (eg drip irrigation and cessation of irrigation prior to harvest) and post-harvest level (eg washing and disinfection of vegetables after harvesting);(c) identifying costeffective interventions for reducing the risk of waterborne disease associated with wastewater use for irrigation;(d) estimating producers’ and consumers’ willingness to pay for or adopt non-treatment interventions at multiple stages along the food chain; and (e) evaluating the long-term economic and livelihood impacts of adopting those non-treatment interventions that are identified as cost-effective and targeted at poor producers and consumers. The chapter concludes by synthesizing a methodological framework for the collection and analysis of data to assess the livelihood and economic impacts of illness caused by microbial pathogens from wastewater.

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Disciplines

Economics | Growth and Development | Social and Behavioral Sciences

Keywords

Health risk assessment; Sewage; Environmental impact analysis; Irrigation

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