Oregon health officials issued a warning for dog owners and hunters on Monday after “extremely high” levels of microcystin ...

The Oregon Health Authority is urging caution in the Barnes Unit of the Upper Klamath National Wildlife Refuge after ...

After a tremendous environmental effort, salmon have returned to the Klamath River. Weeks after massive dams were demolished, ...

State officials say demand is outpacing supply for screens to keep salmon from getting stranded in irrigation canals, but a ...

Salmon are once again making their way up the Klamath River following a massive dam removal project. But some are now worried ...

ODFW is urging waterfowl hunters and other visitors to use extreme caution after laboratory results revealed exceptionally high levels of microcystin in a water sample collected from the Barnes Unit ...

An EPA map shows that fine particle pollution is in the "unhealthy" category across various areas on Wednesday morning.

This northern county in California offers year-round outdoor activities, from skiing to caving - and it doesn't cost an arm ...

Unhealthy levels of air pollution have prompted an unofficial lockdown in three states across the U.S. The states of ...

On Sept. 23, Emily Rees was planting thousands of seedlings of New Mexico vervain, a purple wildflower beloved by pollinators, on the plateau above the Rio Grande Gorge near Taos when she received a ...