Development Challenges, South-South Solutions is the monthly e-newsletter of the United Nations Office for South-South Cooperation in UNDP (www.southerninnovator.org). It has been published every month since 2006. Its sister publication, Southern Innovator magazine, has been published since 2011. Contact the Office to receive a copy of the new global magazine Southern Innovator. Issues 1, 2, 3, 4 and 5 are out now and are about innovators in mobile phones and information technology, youth and entrepreneurship, agribusiness and food security, cities and urbanization and waste and recycling. Why not consider sponsoring or advertising in an issue of Southern Innovator? Or work with us on an insert or supplement of interest to our readers? Follow @SouthSouth1.