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

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At CIRES, a partnership of NOAA and CU Boulder, hundreds of environmental scientists work to understand the dynamic Earth system, including people's relationship with the planet.

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Our science reaches from the bottom of the ocean to the surface of the sun

Boy engaging in climate education


We bring research out of the lab and into the community

Researcher using equipment


CIRES scientists strive to understand the Earth system, including people’s relationship with the planet

2018-2019 Highlights

Taking the Arctic's Temp

2016's record warmth// Pollution and clouds // Shrinking ice cap // Data by drone

Explore Spheres
Spheres 11 Cover