Making clear the reuse risk: approaching wastewater irrigation worldwide

摘要

Four years after publication of the World Health Organization's (WHO's) 3rd edition of'Guidelines for the safe use of wastewater, excreta and greywater in agriculture', adoption and use of the content remains patchy and, to a large extent, not well understood. Growth of the practice and in the number of publications dealing with the associated issues was evident well before 2006 and both trends continue. Since 2006,WHO has felt it necessary to issue two successive 'Information Kits', the second being launched during Stockholm Water Week this summer. At the same time the World Bank published a research paper on the subject and the International Water Management Institute (IWMI) and International Development Research Centre (IDRC) collaborated in publication of a new book, titled:'Wastewater irrigation and health (assessing and mitigating risk in low income countries)'.