Scientists say the ozone hole over Antarctica is no longer growing, the expectation is that it will take decades to recover.
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About 6.3 billion dead trees are still standing in 11 Western states, up from 5.8 billion five years ago, according to U.S. Forest Service statistics.
Nationally, 35 percent of everything Americans throw away ends up somewhere other than a landfill. In Colorado that figure is 19 percent.
In a new book, journalist Michael Kodas explores recent megafires in Colorado and what can be done to change the U.S. relationship with fire.
The plan calls for closing two older units at the Comanche Generating Station — one in 2022 and one in 2025. A third, newer unit would keep operating.
Three decades ago black-footed ferrets were almost extinct. Now, a captive breeding program in Northern Colorado is showing promise.
Secretary Zinke has mentioned public-private partnerships for campgrounds multiple times, including with reporters and at a Recreational Vehicle Industry Association meeting.
While founder Pat Craig hopes to expand, he also wants to be out of business one day — part of a world where there are no more lions, tigers and bears that need to be saved.
Zinke said unspecified boundary adjustments for some monuments will be included in the recommendations he planned to give President Donald Trump.
The moves four months after investigators linked an improperly abandoned oil and gas flowline to a home explosion that killed two people and injured one in Firestone.
The Forest Service's new proposed plan for Hanging Lake includes shuttle service, fees and a limit of 615 visitors per day.
The National Climate Assessment is mandated by Congress every four years; it was written by scientists from 13 federal agencies.
Wildlife collisions are up by 50 percent in Colorado, but on one stretch of highway they've dropped by almost 90 percent after a CDOT project built animal bridges and tunnels.
Colorado Oil and Gas Conservation Commission chief Matt Lepore said the move follows an April 17 explosion at a home in Firestone.
The dramatically falling price of marijuana has cultivators looking to curb costs.