This edition of Frontiers of CLTS draws on two discussions co-convened by the Institute of Development Studies (IDS). The first, supported by SNV, was held in Arusha, Tanzania, 16-20 April 2018, and brought together stakeholders from eight countries across East and Southern Africa.1 The second held in Saly, Senegal, 25-28 June 2018, was co-convened with WaterAid, WSSCC and UNICEF with support from AGETIP and had representatives from 14 countries across West and Central Africa.

This catalogue consists of a collection of promising new solutions in WASH, with more than 30 innovations that could help practitioners to solve their most pressing problems. Taking an innovation from idea to scale can take years, and the innovations featured in this catalogue are all at different stages on that journey, but what this offers the WASH sector now is a look at the exciting work happening around the world to address common challenges.

USAID increasing access to basic sanitation through Digni Loo. The video includes and interview with Akua Kwarteng Addo, Director of Health Population and Nutrition, at USAID/Ghana. It was produced by GoodLife, Live It Well, the Government of Ghana’s flagship public health communication brand.