The "worst documented" algae bloom in the Willamette River has canceled some riverfront plans, and the problem may get worse, ...

Algae blooms have become a familiar summer problem in Portland. In recent years, recurring outbreaks in the Ross Island lagoon have sent bright green clusters of cyanobacteria into the Willamette ...

A toxic algae bloom that’s being called the worst in years has forced the cancellation of two summer events along the ...

The atmosphere is “a beaker for chemical reactions,” and “aerosols and droplets are chemical reactors,” says Eric Vejerano, ...

A health alert was issued for Lake Howell after harmful blue-green algae toxins were detected in recent water samples.

The audio version of this article is generated by AI-based technology. Mispronunciations can occur. We are working with our partners to continually review and improve the results. A researcher uses an ...

People are being advised to avoid a section of the Crescent Bar shoreline between Trinidad Beach and Chinook Park after a dog ...