Nearly 45 years after Mount St. Helens’ eruption sent almost 90 billion cubic feet of debris into the upper Toutle Valley, millions of tons of sediment still pour into the Cowlitz River each year. And ...

After the Rapidan Dam failed last summer and the Blue Earth River carved a new course through Minnesota Valley, researchers ...

What comes to your mind when you imagine a river? A stream of water flowing through landscapes? While that's partly true, ...

There are wastewater treatment plants in every major city designed to filter out some of the chemicals and drugs that end up ...

The Qinghai-Tibet Plateau occupies an enormous area of Asia and is known as the Roof of the World, owing to an average ...

So to find out how much sediment had moved, they inspected the river using a detector (similar to a metal detector): "When the device detects a code, it informs us which stone it is and gives us ...

Despite posted warnings, many people continue to fish in the Lower Fox River, unaware of the ongoing risks. Nearly five years after the final scoop of contaminated sediment was taken from the ...