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


Simulated Geoengineering Evaluation: Cooler Planet, With Side Effects
May 07, 2021

A new modeling study led by CIRES and NOAA researchers highlights the vast challenges and potentially damaging consequences of a solar geoengineering program large enough to ward off extreme warming by the end of the 21st century. 

Giant Australian Bushfire Injected 1 Million Tons of Smoke Into the Atmosphere
April 15, 2021

New research on the massive Australian bushfires in 2019 and 2020 shows that almost 1 million metric tons of smoke rose into the stratosphere, causing it to warm by about 1 degree Celsius for six months.

Lancet Paper: 10 Reasons Why the Coronavirus is Airborne
April 15, 2021

There is consistent, strong evidence that the SARS-CoV-2 virus, which causes COVID-19, is predominantly transmitted through the air, according to a new assessment published today in the medical journal Lancet. Therefore, public health measures that fail to treat the virus as predominantly airborne leave people unprotected and allow the virus to spread, according to six experts from the UK, USA and Canada, including CIRES and CU Boulder chemist Jose-Luis Jimenez.