Beneath layers of waste, landfills around the US have been reaching scorching temperatures, spewing toxic gases and geysers ...

A mountain of trash generates enough electricity to power 800 homes, but only if the waste is fresh and actively producing methane.

When Xcel Energy stopped burning coal at its Valmont Power Station in 2017, it left 1.6 million tons of toxic coal ash on the property — and now that waste is leaching hazardous metals.

BILLINGS - Montana-Dakota Utilities and the city of Billings are going forward with a plan to capture and sell methane generated at the Billings Regional Landfill.

At some of the monitoring wells near the old Ivy Landfill, the cobalt level is as high as about 70 to 80 parts per billion, Frederick said. According to the EPA, ...

The College Station City Council approved measures Thursday to extend the city's water supply and provide more landfill capacity. Water wells, landfill project OK'd ...