The 2020 Global Go To Think Tank Index (GGTTI) marks the fifteenth year of continued efforts by the Think Tanks and Civil Societies Program (TTCSP) at the University of Pennsylvania to acknowledge the important contributions and emerging global trends of think tanks worldwide.

CSE is ranked as the no 1 think tank on environment policy in the global south according to latest edition of the Global Go To Think Tank Index Report released by the University of Pennsylvania. The report ranks CSE among the top 16 environment think tanks globally.

CSE with global rank of 17th is the top-most environmental think tanks amongst developing countries after the United Nations Environment Programme (UNEP).