California Environmental Protection Agency

California Environmental Protection Agency

The California Environmental Protection Agency is a state cabinet-level agency within the government of California. The mission of CalEPA is to restore, protect and enhance the environment, to ensure public health, environmental quality and economic vitality. Derived from Wikipedia licensed CC-BY-SA.

Open Access statistics for California Environmental Protection Agency, United States, covering academic research published from 2000 to 2024. Read More.


Open Access Percentage

46%


Total
Publications

986


Total Open
Publications

450


Total
Citations

62K


Open Access
Percentage

46%


Total
Publications

986


Total Open
Publications

450


Total
Citations

62K

Wikipedia

Website

download

Breakdown

15% 21% 10% 54%

Publisher Open

15%

Both

21%

Other Platform Open

10%

Closed

54%

Percentage of Open Access over time

0%10%20%30%40%50%60%70%80%90%100%
2000200120022003200420052006200720082009201020112012201320142015201620172018201920202021202220232024

Publisher Open

Both

Other Platform Open

Closed

Volume of Open Access over time

0510152025303540455055Total Publications
2000200120022003200420052006200720082009201020112012201320142015201620172018201920202021202220232024

Open

Closed

Publisher Open

40%OA Journal

OA Journal 40%

143

Hybrid 24%

84

No Guarantees 36%

128

Other Platform Open

Domain 78%

234

Institution 33%

99

Other Internet 26%

78

Preprint 6%

18

Public 6%

17

Other Platform Locations

Name

Platform Type

Publications

PubMed Central
Domain
229
Europe PMC
Domain
139
University of California - eScholarship University of California
Institution
73
California Digital Library - eScholarship
Other Internet
53
Semantic Scholar
Public
10
Le Centre pour la Communication Scientifique Directe - HAL - TYPE ART
Other Internet
10
DOI
Other Internet
10
Figshare
Public
7
Unknown Repository
Other Internet
6
U.S. Department of Energy Office of Scientific and Technical Information - OSTI OAI
Institution
6
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Data updated 7 April 2025

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