DENVER (AP) — Democratic presidential candidate Michael Bennet said Monday he wants to commit $1 trillion for underwriting research and projects to address climate change, set aside about one-third of U.S. lands and ocean territory for conservation and reach net-zero U.S. emissions by midcentury.

ENGLEWOOD, Colo. (AP) — Seniors at a Colorado high school where a student was killed in a shooting two weeks ago are graduating.

DENVER (AP) — U.S. Rep. Joe Neguse is calling for an investigation to be reopened into allegations that the National Park Service tried to remove references to human-caused climate change from a University of Colorado researcher's report.

COLORADO SPRINGS, Colo. (AP) — Oprah Winfrey tells college graduates in Colorado small steps lead to big accomplishments.

BOULDER, Colo. (AP) — A climber has died in a fall in a Colorado canyon.

BOULDER, Colo. (AP) — Administrators at a high school in Colorado say many students who vape also litter.

STEAMBOAT SPRINGS, Colo. (AP) — A Colorado man who survived the 1999 Columbine school shooting and later became an advocate for fighting addiction has died.

LOVELAND, Colo. (AP) — Authorities in Colorado say a vehicle veered off a roadway and crashed into a picnic area at a Dairy Queen, injuring a family of four.

DENVER (AP) — The Denver Broncos will host graduation ceremonies at its Colorado training center for students from a school where one student was killed and eight others injured during a recent shooting.

GOLDEN, Colo. (AP) — Colorado troopers are targeting traffic violations by commercial trucks after four people were killed when a semi-truck driver coming out of the mountains outside Denver crashed into stopped traffic.

VAIL, Colo. (AP) — A fast-growing central Colorado community has imposed fees on new construction to pay for police and other public safety services.

FRISCO, Colo. (AP) — A Colorado animal shelter director says 33 roosters seized by authorities following a traffic stop are likely to be killed to protect against the spread of disease.

EAGLE, Colo. (AP) — A Colorado man has been ordered to pay more than $28,000 to cover damages after he pleaded guilty to stealing a Sno-Cat painted to look like the "General Lee" car featured in the TV series "The Dukes of Hazzard."

COLORADO SPRINGS, Colo. (AP) — Oprah Winfrey will give the commencement address to Colorado College graduates on Sunday.

DURANGO, Colo. (AP) — A Colorado judge has overturned an attempted sexual assault conviction after the victim testified in a separate trial that the sexual contact between her and the man was consensual.

DENVER (AP) — A white Colorado police officer who pulled out his gun during a confrontation with a black man picking up trash around his dormitory resigned this week under an agreement that lets him collect $69,000 in salary despite violating department policies.

WESTMINSTER, Colo. (AP) — A Colorado man who pleaded guilty to killing his mother and assaulting his sister has been sentenced to nearly 50 years in prison.

LOVELAND, Colo. (AP) — Colorado has a new free web and mobile application for hikers, mountain bikers and others who use the state's public trails.

CENTENNIAL, Colo. (AP) — Investigators say an 18-year-old Denver area man identified his alleged shooter last week just before going into surgery, where he died.

DENVER (AP) — Southwest Airlines says it will build a $100 million maintenance hangar at the Denver International Airport.