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 2025. Read More.
Open Access Percentage
45%
Total
Publications
25K
Total Open
Publications
11K
Total
Citations
1.4M
Open Access
Percentage
45%
Total
Publications
25K
Total Open
Publications
11K
Total
Citations
1.4M
Breakdown
Publisher Open
12%
Both
19%
Other Platform Open
14%
Closed
55%
Percentage of Open Access over time
Publisher Open
Both
Other Platform Open
Closed
Volume of Open Access over time
Open
Closed
Publisher Open
OA Journal 45%
3.4K
Hybrid 24%
1.8K
No Guarantees 31%
2.3K
Other Platform Open
Domain 79%
6.3K
Institution 43%
3.4K
Other Internet 12%
968
Public 4%
332
Preprint 1%
96
Other Platform Locations
Name | Platform Type | Publications |
|---|---|---|
PubMed Central | Domain | 6.4K |
doaj.org OAI-PMH Repository | Institution | 1.6K |
Office of Scientific and Technical Information | Institution | 788 |
DOI | Other Internet | 784 |
Unknown Repository | Other Internet | 372 |
Figshare | Public | 294 |
California Digital Library | Institution | 217 |
Europe PMC | Domain | 205 |
uri.edu OAI-PMH Repository | Institution | 107 |
Le Centre pour la Communication Scientifique Directe - HAL - Diderot | Institution | 103 |