Environmental Protection Agency

Environmental Protection Agency

The Environmental Protection Agency is an independent agency of the United States government tasked with environmental protection matters. President Richard Nixon proposed the establishment of EPA on July 9, 1970; it began operation on December 2, 1970, after Nixon signed an executive order. Derived from Wikipedia licensed CC-BY-SA.

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


Open Access Percentage

42%


Total
Publications

24K


Total Open
Publications

10K


Total
Citations

1.3M


Open Access
Percentage

42%


Total
Publications

24K


Total Open
Publications

10K


Total
Citations

1.3M

Wikipedia

Website

download

Breakdown

13% 15% 13% 59%

Publisher Open

13%

Both

15%

Other Platform Open

13%

Closed

59%

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

01002003004005006007008009001k1.1kTotal Publications
2000200120022003200420052006200720082009201020112012201320142015201620172018201920202021202220232024

Open

Closed

Publisher Open

48%OA Journal

OA Journal 48%

3.1K

Hybrid 20%

1.3K

No Guarantees 32%

2.1K

Other Platform Open

Domain 80%

5.4K

Institution 24%

1.7K

Other Internet 13%

912

Public 4%

265

Preprint 0%

29

Other Platform Locations

Name

Platform Type

Publications

PubMed Central
Domain
5.4K
DOI
Other Internet
875
U.S. Department of Energy Office of Scientific and Technical Information - OSTI OAI
Institution
771
Europe PMC
Domain
262
Figshare
Public
227
NOAA Institutional Repository
Institution
126
Le Centre pour la Communication Scientifique Directe - HAL - Diderot
Institution
113
The University of Rhode Island - DigitalCommons @ The University of Rhode Island
Institution
84
DANS - Data Archiving and Networked Services
Institution
78
Zenodo
Public
52
1 / 20

Data updated 18 August 2025

Share

Share

Share