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30 June 2022

The Hallett Peak rockslide in Rocky Mountain National Park

On 28 June 2022 at about 4:30 p.m. a large rockslide occurred on the side of Hallett Peak in Rocky Mountain National Park in Colorado.


24 December 2021

Spruce Tree House – extreme rockfall management

Spruce Tree House in Colorado – rockfall management of a natural arch that shelters a key archaeological site in Mesa Verde National Park


7 January 2019

Colorado’s Lake Dillon is warming rapidly

The surface waters of Lake Dillon, a mountain reservoir that supplies water to the the Denver area, have warmed by nearly 5 degrees Fahrenheit (2.5 degrees Celsius) in the last 35 years, which is twice the average warming rate for global lakes. Yet surprisingly, Dillon does not show adverse environmental changes, such as nuisance algal blooms, often associated with warming of lakes.


24 January 2018

Dust on snow controls springtime river rise in West

A new study has found that dust, not spring warmth, controls the pace of spring snowmelt that feeds the headwaters of the Colorado River.


13 October 2016

Fires fueled by grass, crops can produce dangerous air pollutants

Grass and crop fires can emit more of certain types of hazardous fumes than wood fires, a new study finds. Results from the study could help scientists better understand the dangers from fire emissions, allowing firefighters or individuals close to a fire to react more appropriately, according to the study’s authors.