Highly invasive aquatic weed discovered in the Animas Valley

Concerns raised about Eurasian watermilfoil spilling into Animas River, Lake Nighthorse

San Juan Mountains take beating this summer from off-roading

Higher-than-normal visitation harms fragile alpine tundra

With federal regulations rolled back, New Mexico forges ahead to curb methane

State releases draft version of rules July 20, aims for adoption in early 2021

Anglers asked to stop fishing at noon daily on several Southwest Colorado rivers

Warm water, low flows and fishing pressure stress trout

Rising water temperatures threaten fish populations

Drought, lower flows pose serious challenges to aquatic life in Southwest Colorado

Five years after Gold King Mine spill, water quality remains a concern

For a few days in August 2015, invisible mining pollutants could be seen by the world

EPA proposes permanent mine waste dump site north of Silverton

Project needs approval from Sunnyside Gold, a company potentially on hook for costs

Bureau of Land Management faces lawsuit over oil and gas leases

Parcels located near Chaco Culture National Historical Park

EPA will temporarily plug ‘bad boy’ mine near Silverton

Experiment will help agency understand region’s hydrology, evaluate long-term solution

Rare cutthroat trout, saved in 416 Fire, set to be released back into the wild

Crews mounted rescue mission during wildfire in 2018

J. Paul Brown to reduce sheep herd amid disease concerns for bighorns

Group buys out one of Ignacio rancher’s high-risk grazing allotments

Leader of state Energy Office touts clean power in Durango

Legislation moves ball on renewables, Will Toor says