The Colorado River from Glenwood Springs to the Utah border is now considered positive for zebra mussels, an invasive species known to devastate ecosystems and clog critical infrastructure.

The region drained by the Amazon River, including the Amazon rainforest, is in the second year of a punishing drought. That has led to the lowest water levels in more than 100 years for the Amazon ...

Officials put the order in place in a six-mile stretch of the Snake River after finding quagga mussels in September 2023. Decontamination stations remain in place.

Colorado Parks and Wildlife found a single zebra mussel veliger in the Grand River Park near New Castle. This is the first new detection of the invasive species since they were found in the Colorado ...