Aspen will reinstate the use of minuscule amounts of magnesium chloride, the controversial de-icer, in an intensified sanding operation, because other de-icing chemicals are proving ineffective. Four ...

A Colorado University environmental sciences professor failed to convince some Aspen skeptics that the de-icing compound magnesium chloride poses no harmful long-term effects to the environment.

TUCSON, Ariz. — As temperatures in Tucson drop to freezing levels, the city has activated "Operation Freeze," a safety initiative designed to protect motorists by de-icing bridges. Unlike regions that ...

After years of avoiding street sand because of air quality concerns, Rapid City will be dropping the gritty material on roads in eastern Rapid City this coming snow season. Public Works Director ...

A lot of us in the county lands are dialed into what mag chloride is – it’s a glue that will temporarily keep the dust under control. This is to clue in the, hopefully, few ignorant souls that aren’t ...