University of Oklahoma: #194 in the world for Environmental Science collaboration
University of Oklahoma stands at #194 of 1,194 universities worldwide on the Environmental Science collaboration index, the strongest of its 24 subject standings in the 2026 Research Collaboration Index, published today.
The standing rests on the open scholarly record: 1,526 co-authored works in the field over 2021 to 2025, built with 610 collaborating institutions across 57 countries, with a field-weighted citation impact of 3.57.
University of Oklahoma holds Silver standing overall, at #321 in the world.
The full index, all 26 subject rankings and complete methodology are now public.
Every figure derives from the open global research record and is checkable at source.
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