2018 tables: Institutions - Earth & environmental sciences

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The 2018 tables are based on Nature Index data from 1 January 2017 to 31 December 2017.

2017	Institution	Share 2016	Share 2017	Count 2017	Change in adjusted Share^* 2016–2017 (%)
1	Chinese Academy of Sciences (CAS), China	199.98	203.94	607	6.7%
2	Helmholtz Association of German Research Centres, Germany	147.56	125.92	361	-10.7%
3	National Aeronautics and Space Administration (NASA), United States of America (USA)	117.45	105.21	503	-6.2%
4	French National Centre for Scientific Research (CNRS), France	109.73	97.64	688	-6.9%
5	California Institute of Technology (Caltech), United States of America (USA)	83.06	80.86	342	1.9%
6	Swiss Federal Institute of Technology Zurich (ETH Zurich), Switzerland	84.32	79.99	205	-0.7%
7	National Oceanic and Atmospheric Administration (NOAA), United States of America (USA)	77.46	73.25	281	-1.0%
8	U.S. Geological Survey (USGS), United States of America (USA)	68.74	68.59	188	4.5%
9	University of Colorado Boulder (CU-Boulder), United States of America (USA)	65.60	66.29	277	5.8%
10	University of Washington (UW), United States of America (USA)	59.75	58.88	151	3.1%
11	Nanjing University (NJU), China	51.14	58.80	169	20.4%
12	University of California, Berkeley (UC Berkeley), United States of America (USA)	51.04	56.08	194	15.0%
13	Stanford University, United States of America (USA)	70.47	52.19	157	-22.5%
14	The University of Texas at Austin (UT Austin), United States of America (USA)	58.66	50.77	130	-9.4%
15	University of California, Los Angeles (UCLA), United States of America (USA)	52.16	50.24	175	0.8%
16	Columbia University in the City of New York (CU), United States of America (USA)	59.59	46.58	179	-18.2%
17	Massachusetts Institute of Technology (MIT), United States of America (USA)	48.47	46.06	139	-0.5%
18	University of California, San Diego (UC San Diego), United States of America (USA)	55.72	45.45	124	-14.6%
19	Peking University (PKU), China	53.49	45.00	179	-11.9%
20	The University of Tokyo (UTokyo), Japan	54.87	44.95	112	-14.2%
21	National Center for Atmospheric Research (NCAR), United States of America (USA)	46.15	44.15	130	0.1%
22	University of Minnesota (UMN), United States of America (USA)	30.42	41.98	120	44.4%
23	University of Michigan (U-M), United States of America (USA)	50.12	40.19	119	-16.1%
24	University of Chinese Academy of Sciences (UCAS), China	21.83	38.36	186	84.0%
25	Harvard University, United States of America (USA)	41.56	38.31	122	-3.5%
26	University of Wisconsin-Madison (UW-Madison), United States of America (USA)	33.63	38.26	112	19.1%
27	Georgia Institute of Technology (Georgia Tech), United States of America (USA)	28.85	37.85	100	37.3%
28	Utrecht University (UU), Netherlands	35.53	37.79	118	11.3%
29	The Pennsylvania State University (Penn State), United States of America (USA)	38.54	35.67	109	-3.1%
30	Tsinghua University, China	32.68	35.62	99	14.1%
31	University of Science and Technology of China (USTC), China	31.78	35.08	77	15.5%
32	Yale University, United States of America (USA)	46.05	34.98	94	-20.5%
33	University of California, Irvine (UCI), United States of America (USA)	28.48	33.66	105	23.7%
34	University of Toronto (U of T), Canada	31.93	33.62	85	10.2%
35	Colorado State University, United States of America (USA)	27.65	32.43	99	22.8%
36	The University of Arizona (Arizona), United States of America (USA)	31.49	32.34	98	7.5%
37	China University of Geosciences (CUG), China	30.49	32.15	79	10.4%
38	Arizona State University (ASU), United States of America (USA)	27.05	31.89	85	23.4%
39	University of New South Wales (UNSW Sydney), Australia	40.05	31.77	86	-17.0%
40	University of Oxford, United Kingdom (UK)	43.91	31.65	116	-24.6%
41	Imperial College London (ICL), United Kingdom (UK)	29.03	31.13	114	12.2%
42	Princeton University, United States of America (USA)	24.52	30.82	124	31.6%
43	Tongji University, China	30.84	30.25	101	2.7%
44	University of Bristol (UoB), United Kingdom (UK)	24.71	30.07	99	27.4%
45	National Institute of Geophysics and Volcanology (INGV), Italy	32.97	30.01	64	-4.7%
46	Technical University of Denmark (DTU), Denmark	21.17	29.09	75	43.8%
47	University of Alberta (U of A), Canada	28.95	28.66	66	3.6%
48	Lawrence Berkeley National Laboratory (LBNL), United States of America (USA)	19.35	28.09	82	51.9%
49	Australian National University (ANU), Australia	31.30	28.06	86	-6.2%
50	Woods Hole Oceanographic Institution (WHOI), United States of America (USA)	33.38	27.66	90	-13.3%
51	Texas A&M University (TAMU), United States of America (USA)	21.09	26.97	91	33.9%
52	Pacific Northwest National Laboratory (PNNL), United States of America (USA)	29.27	26.82	78	-4.1%
53	University of Cambridge, United Kingdom (UK)	32.11	25.95	93	-15.4%
54	Max Planck Society, Germany	37.55	25.88	120	-27.9%
55	University of Maryland, College Park (UMCP), United States of America (USA)	34.02	25.60	139	-21.3%
56	Virginia Polytechnic Institute and State University (Virginia Tech), United States of America (USA)	16.14	25.59	65	65.9%
57	Beijing Normal University (BNU), China	27.17	25.43	105	-2.0%
58	University of Leeds, United Kingdom (UK)	31.15	25.30	101	-15.0%
59	University of Illinois at Urbana-Champaign (UIUC), United States of America (USA)	34.30	25.03	68	-23.6%
60	Nanyang Technological University (NTU), Singapore	25.82	24.61	60	-0.2%
61	University of Hawai'i at Manoa (UH Mānoa), United States of America (USA)	35.36	24.52	87	-27.4%
62	The University of Queensland (UQ), Australia	27.43	24.26	85	-7.4%
63	University of Florida (UF), United States of America (USA)	25.00	23.86	66	-0.1%
64	University of California, Santa Barbara (UCSB), United States of America (USA)	21.20	23.67	62	16.9%
65	University of California, Davis (UC Davis), United States of America (USA)	22.97	23.64	78	7.7%
66	Oregon State University, United States of America (USA)	22.52	23.22	91	8.0%
67	Harbin Institute of Technology (HIT), China	16.84	23.17	46	44.0%
68	U.S. Environmental Protection Agency (EPA), United States of America (USA)	26.14	23.09	56	-7.5%
69	The Commonwealth Scientific and Industrial Research Organisation (CSIRO), Australia	27.89	23.03	97	-13.6%
70	China Meteorological Administration (CMA), China	19.23	23.01	80	25.3%
71	The University of Chicago (UChicago), United States of America (USA)	16.53	22.73	75	43.9%
72	University of Oslo (UiO), Norway	20.82	22.63	92	13.7%
73	Hokkaido University, Japan	15.76	22.02	54	46.3%
74	Environment and Climate Change Canada (ECCC), Canada	20.82	21.99	58	10.6%
75	Rice University, United States of America (USA)	13.67	21.93	57	68.0%
76	Purdue University, United States of America (USA)	15.21	21.93	57	51.0%
77	Zhejiang University (ZJU), China	22.37	21.83	48	2.1%
78	Institute of Research for Development (IRD), France	23.43	21.66	303	-3.2%
79	Swiss Federal Institute of Aquatic Science and Technology (EAWAG), Switzerland	27.51	21.52	70	-18.1%
80	University of California, Riverside (UCR), United States of America (USA)	21.81	21.29	51	2.2%
81	Duke University, United States of America (USA)	26.02	20.98	67	-15.6%
82	Carnegie Institution for Science (CIS), United States of America (USA)	19.04	20.48	73	12.6%
83	The University of Utah (Utah), United States of America (USA)	16.25	20.33	61	31.0%
84	Brown University, United States of America (USA)	23.65	20.30	53	-10.1%
85	Wageningen University & Research (WUR), Netherlands	13.98	20.18	57	51.0%
86	Johns Hopkins University (JHU), United States of America (USA)	28.08	20.14	97	-24.9%
87	Leibniz Association, Germany	29.05	19.43	93	-30.0%
88	Tohoku University, Japan	23.03	19.19	53	-12.8%
89	Washington University in St. Louis (WUSTL), United States of America (USA)	20.94	19.17	47	-4.1%
90	Spanish National Research Council (CSIC), Spain	26.72	19.01	84	-25.5%
91	McGill University, Canada	28.04	18.47	64	-31.0%
92	University of Bremen (Uni Bremen), Germany	15.66	18.46	59	23.4%
93	Fudan University, China	13.32	18.46	33	45.0%
94	The University of Iowa (UI), United States of America (USA)	15.41	18.44	78	25.3%
95	Wuhan University (WHU), China	10.52	18.35	41	82.5%
96	Japan Agency for Marine-Earth Science and Technology (JAMSTEC), Japan	26.38	18.20	73	-27.8%
97	Cornell University, United States of America (USA)	16.89	17.87	64	10.8%
98	University of Copenhagen (UCPH), Denmark	23.10	17.81	70	-19.3%
99	University of Exeter, United Kingdom (UK)	16.26	17.48	64	12.5%
100	University of Paris, France	16.20	17.32	114	11.9%

Each year, the Nature Index publishes tables based on counts of high-quality research outputs in the previous calendar year. Users please note:

The data behind the tables are based on a relatively small proportion of total research papers, they cover the natural sciences only and outputs are non-normalized (that is, they don’t reflect the size of the country or institution, or its overall research output).
The Nature Index is one indicator of institutional research performance. The metrics of Count and Share used to order Nature Index listings are based on an institution’s or country’s publication output in 82 natural-science journals, selected on reputation by an independent panel of leading scientists in their fields.
Nature Index recognizes that many other factors must be taken into account when considering research quality and institutional performance; Nature Index metrics alone should not be used to assess institutions or individuals.
Nature Index data and methods are transparent and available under a creative commons licence at natureindex.com.

The Nature Index database undergoes regular updating, corrections, adjustment of institutional hierarchies, and removal of retracted papers and thus the live website can differ from the frozen annual tables.

^*The change in adjusted Share accounts for the small annual variation in the total number of articles in Nature Index journals. Share values have been adjusted to 2020 levels to calculate the percentage change. For more information on the adjustment, please see the Adjusted metric explainer.

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