Arctic annual maximum ice extent reached

CIRES News

Science of Smog

Every summer along Colorado’s Front Range, ozone pollution periodically spikes to unhealthy levels, despite federal and state efforts to control the lung-damaging chemical. Cars are running cleaner, and power plants are emitting fewer pollutants, so why does ozone still regularly soar above health-based limits? Read More ...

Reporters using more 'hedging' words in climate change articles, CIRES study finds

The amount of “hedging” language—words that suggest room for doubt—used by prominent newspapers in articles about climate change has increased over time, according to a new study by the University of Colorado Boulder Read More ...

Airborne measurements confirm leaks from oil and gas operations

During two days of intensive airborne measurements, oil and gas operations in Colorado’s Front Range leaked nearly three times as much methane, a greenhouse gas, as predicted based on inventory estimates, and seven times as much benzene, a regulated air toxic. Read More ...