Carl von Ossietzky Universität Oldenburg: #235 in the world for Environmental Science collaboration

Carl von Ossietzky Universität Oldenburg stands at #235 of 1,195 universities worldwide on the Environmental Science collaboration index, the strongest of its 26 subject standings in the 2026 Research Collaboration Index, published today.

The standing rests on the open scholarly record: 855 co-authored works in the field over 2021 to 2025, built with 514 collaborating institutions across 60 countries, with a field-weighted citation impact of 3.65.

Carl von Ossietzky Universität Oldenburg holds None standing overall, at #711 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.