A debate is stirring in Southwest Washington over how to manage ongoing impacts from the 1980 eruption of Mount St. Helens.

The landfill designed to hold the dredged sediment — a small banana-shaped island called Pointe Mouillee — will run out of ...

An environmental engineer explains how his research team is developing a system containing bacteria, biochar and gel to break ...

Cleaning vinegar lasts a long time thanks to its acidity. However, over time, you might notice differences in its appearance that indicate a change in quality.

MMSD senior project manager Bridget Henk calls the removal of contaminated sediments from Milwaukee's rivers and estuary a ...

Picture three-and-a-half football fields with earth piled onto them — piled as tall as the Empire State Building.

Biochar, which can be made from corn, is a versatile material. Tom Fisk/pexels.com , CC BY Polychlorinated biphenyls, or PCBs ...

Having worked with the likes of BHP, Rio Tinto and Fortescue, Dredge Robotics’ latest invention could be its best yet.

Picture three-and-a-half football fields with earth piled onto them — piled as tall as the Empire State Building. That’s how much sediment flows into Tuttle Creek Lake each year. After decades of this ...

They feast on bubbles of methane seeping out of the ocean floor. Could their appetites be harnessed to slow climate change?

Thwaites Glacier rises above the Amundsen Sea in the Antarctic, a towering white cliff abutting cerulean waters. Roughly the ...