Top 20 institutions in Earth & Environmental Sciences in South America

The tables show leading institutions ranked by their fractional count (FC) in Earth and environmental sciences from 2015 to 2017. Also listed are institutions’ total number of Earth and environmental sciences articles in the Nature Index (AC 2015–2017) and the proportion of each institution’s FC in Earth and environmental sciences relative to total FC from 2015 to 2017 (% E&E 2015–2017).

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#Rank	Institution	Country/Region	FC 2015-2017	AC 2015-2017	% E&E 2015–2017
1	University of São Paulo (USP)	Brazil	18.59	66	11.9%
2	University of Chile	Chile	17.54	58	34.3%
3	Ministry of Science, Technology, Innovation and Communication (MCTIC)	Brazil	10.59	43	22.0%
4	National Scientific and Technical Research Council (CONICET)	Argentina	10.36	77	8.8%
5	Federal University of Minas Gerais (UFMG)	Brazil	5.78	10	18.5%
6	University of Concepción (UdeC)	Chile	5.34	23	28.2%
7	National Polytechnic School (EPN)	Ecuador	5.30	15	92.7%
8	Federal University of Rio de Janeiro (UFRJ)	Brazil	5.15	20	9.2%
9	State University of Campinas (UNICAMP)	Brazil	4.73	19	10.7%
10	National Geology and Mining Service (SERNAGEOMIN)	Chile	3.99	10	97.6%
11	Federal University of Goiás (UFG)	Brazil	3.82	8	37.9%
12	National Institute for Amazonian Research (INPA)	Brazil	3.77	19	77.6%
13	National University of Colombia (UNAL)	Colombia	3.59	15	39.2%
14	Geophysical Institute of Peru (IGP)	Peru	3.35	17	100.0%
15	Pontifical Catholic University of Chile (PUC)	Chile	3.09	22	9.4%
16	Federal University of Santa Catarina (UFSC)	Brazil	3.05	11	19.1%
17	University of Brasília (UnB)	Brazil	2.81	13	37.0%
18	Los Andes University	Colombia	2.37	9	19.7%
19	Fluminense Federal University (UFF)	Brazil	2.35	7	19.3%
20	São Paulo State University (UNESP)	Brazil	2.29	8	4.1%