South-South cooperation is vital to reduce costs and achieve economies of scale, said Dr Vaqar Ahmed, Deputy Executive Director of SDPI while speaking at a special session of Sustainable Development Conference (SDC) on 'Enhancing Sustainable Development in South Asia through Innovations and Partnerships-Asia Pacific Forum for Environment and Development (APFED) Showcase Program'. The session was jointly organized by SDPI and United Nations Environment Program-Regional Office for Asia Pacific. Maryam Shabbir Abbasi has the story...