STOCKHOLM - The severe lack of sanitation in urban areas worldwide was explored at "World Water Week" - the annual conference just held in Stockholm for policy-makers and researchers specialising in water and sanitation. On his return from Stockholm, Guy Collender, of the SHARE research consortium, which is led by the London School of Hygiene & Tropical Medicine, discussed the consortium's conference sessions on the challenges and solutions related to urban sanitation, and small-scale finance.