2020 tables: Institutions - Earth & environmental sciences - academic

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The 2020 tables are based on Nature Index data from 1 January 2019 to 31 December 2019.

2019	Institution	Share 2018	Share 2019	Count 2019	Change in adjusted Share^* 2018–2019 (%)
1	Swiss Federal Institute of Technology Zurich (ETH Zurich), Switzerland	92.00	90.38	237	-4.8%
2	Nanjing University (NJU), China	80.23	81.37	236	-1.7%
3	Stanford University, United States of America (USA)	46.36	67.07	204	40.2%
4	University of Washington (UW), United States of America (USA)	61.37	66.04	211	4.3%
5	Columbia University in the City of New York (CU), United States of America (USA)	61.08	64.59	214	2.5%
6	California Institute of Technology (Caltech), United States of America (USA)	68.76	63.80	274	-10.1%
7	University of Chinese Academy of Sciences (UCAS), China	49.14	62.79	340	23.9%
8	University of Colorado Boulder (CU-Boulder), United States of America (USA)	69.62	59.12	292	-17.7%
9	Tongji University, China	49.36	56.46	180	10.9%
10	University of California, Berkeley (UC Berkeley), United States of America (USA)	63.79	55.04	217	-16.4%
11	University of Science and Technology of China (USTC), China	49.41	54.93	133	7.8%
12	China University of Geosciences (CUG), China	38.53	52.05	142	30.9%
13	Peking University (PKU), China	60.65	51.36	209	-17.9%
14	The University of Tokyo (UTokyo), Japan	46.13	49.91	137	4.9%
15	The University of Texas at Austin (UT Austin), United States of America (USA)	52.47	44.84	148	-17.2%
16	Massachusetts Institute of Technology (MIT), United States of America (USA)	46.70	43.40	157	-9.9%
17	University of Oxford, United Kingdom (UK)	37.37	43.13	160	11.9%
18	The Pennsylvania State University (Penn State), United States of America (USA)	44.68	43.13	130	-6.4%
19	Tsinghua University, China	41.94	41.63	158	-3.8%
20	University of Michigan (U-M), United States of America (USA)	37.32	41.42	114	7.6%
21	University of California, Los Angeles (UCLA), United States of America (USA)	46.64	40.67	173	-15.5%
22	Harvard University, United States of America (USA)	34.65	40.20	168	12.5%
23	Colorado State University, United States of America (USA)	32.01	39.15	117	18.6%
24	University of California, San Diego (UC San Diego), United States of America (USA)	43.25	37.93	135	-15.0%
25	University of Cambridge, United Kingdom (UK)	42.07	37.84	141	-12.8%
26	University of Toronto (U of T), Canada	41.17	37.42	106	-11.9%
27	Utrecht University (UU), Netherlands	35.18	37.17	130	2.4%
28	Zhejiang University (ZJU), China	29.37	35.91	92	18.5%
29	University of Illinois at Urbana-Champaign (UIUC), United States of America (USA)	31.35	35.73	97	10.5%
30	University of Minnesota (UMN), United States of America (USA)	31.66	35.26	133	7.9%
31	University of Alberta (U of A), Canada	29.65	34.99	88	14.4%
32	Yale University, United States of America (USA)	49.09	34.54	151	-31.8%
33	Sun Yat-sen University (SYSU), China	27.43	34.51	97	21.9%
34	The University of Queensland (UQ), Australia	35.51	34.47	103	-5.9%
35	Nanyang Technological University (NTU), Singapore	25.40	33.56	88	28.1%
36	Princeton University, United States of America (USA)	32.44	33.44	124	-0.1%
37	University of Leeds, United Kingdom (UK)	30.41	32.80	134	4.5%
38	University of Wisconsin-Madison (UW-Madison), United States of America (USA)	23.94	32.71	121	32.4%
39	Imperial College London (ICL), United Kingdom (UK)	33.11	32.24	121	-5.6%
40	Beijing Normal University (BNU), China	38.15	32.15	157	-18.3%
41	The University of Arizona (Arizona), United States of America (USA)	38.15	31.15	114	-20.9%
42	University of New South Wales (UNSW Sydney), Australia	30.66	30.31	114	-4.2%
43	University of Maryland, College Park (UMCP), United States of America (USA)	33.58	29.57	184	-14.6%
44	Harbin Institute of Technology (HIT), China	31.59	29.29	57	-10.1%
45	Georgia Institute of Technology (Georgia Tech), United States of America (USA)	24.20	29.09	107	16.5%
46	Wuhan University (WHU), China	29.88	28.19	60	-8.6%
47	University of California, Riverside (UCR), United States of America (USA)	13.13	27.60	73	103.8%
48	University of Bristol (UoB), United Kingdom (UK)	28.34	27.13	101	-7.2%
49	University of Oslo (UiO), Norway	20.99	26.45	90	22.1%
50	Rice University, United States of America (USA)	20.82	26.42	85	23.0%
51	University of California, Irvine (UCI), United States of America (USA)	32.16	26.28	106	-20.8%
52	Texas A&M University (TAMU), United States of America (USA)	29.00	26.25	106	-12.3%
53	The Hong Kong University of Science and Technology (HKUST), China	13.40	26.09	57	88.7%
54	Cornell University, United States of America (USA)	29.21	25.84	106	-14.3%
55	University of Hawai'i at Manoa (UH Mānoa), United States of America (USA)	26.51	25.66	137	-6.2%
56	University of California, Santa Cruz (UCSC), United States of America (USA)	27.62	25.61	84	-10.2%
57	University of California, Santa Barbara (UCSB), United States of America (USA)	19.55	24.78	85	22.9%
58	Swiss Federal Institute of Technology Lausanne (EPFL), Switzerland	14.52	24.72	80	65.0%
59	Australian National University (ANU), Australia	28.44	24.50	106	-16.5%
60	Oregon State University, United States of America (USA)	18.80	23.57	99	21.5%
61	McGill University, Canada	21.56	23.39	99	5.1%
62	Nanjing University of Information Science and Technology (NUIST), China	19.27	23.34	107	17.4%
63	Monash University, Australia	18.80	22.83	90	17.7%
64	University of Copenhagen (UCPH), Denmark	14.24	22.81	84	55.3%
65	Arizona State University (ASU), United States of America (USA)	32.72	22.44	89	-33.5%
66	University of Southern California (USC), United States of America (USA)	20.29	22.42	58	7.1%
67	University of Florida (UF), United States of America (USA)	19.27	22.10	93	11.2%
68	China University of Geosciences, Beijing (CUGB), China	15.45	22.03	56	38.2%
69	Duke University, United States of America (USA)	22.83	21.77	81	-7.6%
70	Nankai University (NKU), China	15.33	21.76	36	37.6%
71	Curtin University, Australia	22.56	21.54	71	-7.5%
72	Johns Hopkins University (JHU), United States of America (USA)	20.60	20.71	98	-2.5%
73	UCL, United Kingdom (UK)	19.72	20.49	97	0.7%
74	Huazhong University of Science and Technology (HUST), China	13.01	20.33	31	51.5%
75	University of Bergen (UIB), Norway	13.12	20.01	91	47.8%
76	Aarhus University (AU), Denmark	14.11	19.92	77	36.8%
77	Tohoku University, Japan	21.92	19.88	57	-12.1%
78	Brown University, United States of America (USA)	16.19	19.84	63	18.8%
79	The University of Melbourne (UniMelb), Australia	19.82	19.84	72	-3.0%
80	University of Exeter, United Kingdom (UK)	21.58	19.16	71	-13.9%
81	Lanzhou University (LZU), China	17.92	19.10	52	3.3%
82	The University of British Columbia (UBC), Canada	17.13	18.85	83	6.6%
83	Wageningen University & Research (WUR), Netherlands	20.73	18.83	70	-12.0%
84	University of Southampton (Soton), United Kingdom (UK)	18.17	18.72	86	-0.2%
85	The University of Oklahoma (OU), United States of America (USA)	15.31	18.33	94	16.1%
86	University of California, Davis (UC Davis), United States of America (USA)	32.52	18.13	86	-45.9%
87	Virginia Polytechnic Institute and State University (Virginia Tech), United States of America (USA)	19.82	17.93	65	-12.3%
88	Delft University of Technology (TU Delft), Netherlands	21.52	17.87	61	-19.5%
89	University of Liverpool, United Kingdom (UK)	13.50	17.83	66	28.0%
90	King Abdullah University of Science and Technology (KAUST), Saudi Arabia	16.00	17.60	37	6.6%
91	University of Reading, United Kingdom (UK)	10.72	17.49	77	58.2%
92	The University of Chicago (UChicago), United States of America (USA)	16.34	17.28	76	2.5%
93	The University of Utah (Utah), United States of America (USA)	14.23	17.22	61	17.3%
94	University of Bern (UniBE), Switzerland	15.80	17.20	71	5.5%
95	Boston University (BU), United States of America (USA)	10.10	17.14	58	64.5%
96	The University of Iowa (UI), United States of America (USA)	23.95	17.03	80	-31.1%
97	University of Calgary (U of C), Canada	11.41	17.01	38	44.5%
98	The Ohio State University (OSU), United States of America (USA)	11.63	16.97	63	41.4%
99	The University of Edinburgh, United Kingdom (UK)	19.97	16.84	67	-18.3%
100	Stockholm University, Sweden	14.81	16.77	80	9.7%

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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