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

41%


Total
Publications

985


Total Open
Publications

402


Total
Citations

64K


Open Access
Percentage

41%


Total
Publications

985


Total Open
Publications

402


Total
Citations

64K

Wikipedia

Website

download

Breakdown

15% 17% 7% 61%

Publisher Open

15%

Both

17%

Other Platform Open

7%

Closed

61%

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

54%OA Journal

OA Journal 54%

165

Hybrid 15%

46

No Guarantees 31%

97

Other Platform Open

Domain 74%

188

Other Internet 32%

81

Institution 15%

38

Public 2%

5

Preprint 2%

4

Other Platform Locations

Name

Platform Type

Publications

PubMed Central
Domain
178
DOI
Other Internet
78
Europe PMC
Domain
16
Office of Scientific and Technical Information
Institution
9
Royal Netherlands Academy of Arts and Sciences
Institution
7
Unknown Repository
Other Internet
5
Le Centre pour la Communication Scientifique Directe - HAL - Diderot
Institution
5
Figshare
Public
5
ZB MED - Information Centre for Life Sciences
Institution
4
University of Modena and Reggio Emilia
Institution
3
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Data updated 18 August 2025

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