Ever wondered why some lakes are bright blue while others are green or brown? The answer lies in the way light interacts with ...

Lawmakers will consider a proposal to fund a years-in-the-making plan to carve a channel through Ross Island on the Willamette River Just about every summer in recent years, a stretch of the ...

A bloom of cyanobacteria, also called blue-green algae for its colorful, scum-like appearance, formed in Detroit Reservoir, the manmade lake on the Santiam River that is the Oregon capital’s drinking ...

By cutting through the embankment that the Army Corps built in 1926 and letting the river flow between the islands again, the bacteria and algae will be flushed out of the area, Oregon State ...