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Human activity is gradually increasing Earth’s temperature and causing more frequent natural disasters.

Human activity is gradually increasing Earth’s temperature and causing more frequent natural disasters.

CU Boulder’s Wil Srubar found the bacteria to create buildings that grow, fix themselves and clean the air.

Forty-five years ago, Vance Brand made history when he and his Apollo crew members met with Soviet cosmonauts in space, only to narrowly survive a near-fatal landing back on Earth.

CU was named to the top 100 in the MacArthur Foundation's 100&Change Competition.

The first Earth Day was held across the United States on April 22, 1970. It motivated student organizers at CU Boulder to push for an institution dedicated to sustainability and later that year the Environmental Center was born.

Fifty years ago, on April 22, 1970, CU Boulder became the first university in the nation to open a student-led Environmental Center. The day coincided with the nation’s inaugural Earth Day.

Low-income and minority families still bear the brunt of toxic pollutants. Jill Harrison wants to know why.

The Southwest is drying. During a 730-mile rafting trip down the Colorado River's main tributary, Heather Hansman saw water scarcity up close.

A CU alum takes on an invasive fish.