Cooperative Institute for Research in Environmental SciencesCooperative Institute for Research in Environmental Sciences at the University of Colorado Boulder

Science to BENEFIT Society

At CIRES, the Cooperative Institute for Research In Environmental Sciences, hundreds of scientists work to understand the dynamic Earth system, including people’s relationship with the planet

Spotlight on Humans of CIRES

Learn more about the fellows, scientists, admin staff, and students who support CIRES' mission

Spotlight on CIRES research, education, milestones, and more

Discover CIRES

CIRES science

Two people in heavy winter gear stand on snow and ice near an instrument under a starry night sky

Investigating the environment, from Earth's core to the Sun's atmosphere

Areas of research

Our partners at CU Boulder and NOAA

CIRES education

A person talking to a large group of students in front of a large, interactive globe

Inspiring curiosity, community, and action in environmental science

Center for Education, Engagement, and Evaluation

Science On a Sphere

Data Puzzles for classrooms

Centers and programs

Extremophiles growing in a hot pool surrounded by rocks

Fostering collaboration within and beyond our institute

Center for Microbial Exploration

North Central Climate Adaptation Center

NSIDC

A group of people stand on a glacier with peaks that extend into the sky above them

Advancing knowledge of Earth’s frozen regions

National Snow and Ice Data Center

International Thwaites Glacier Collaboration

Call to action Spheres Magazine

Spheres Magazine

Highlighting the diverse research conducted at CIRES