The river is 5.4 degrees above its historic temperature, says the State Department of Ecology.
Restoring destroyed salmon habitat is the key to regaining Southern Resident killer whale numbers.
State climatologist says the declining snowpack threatens water supplies as population grows.
Local environmental groups are forming, growing and attracting new members, young and old.
Tulalip Tribes biologists are relocating nuisance beavers to forest areas where they can thrive.
A huge concentration of stream crossings essential to baby chinook salmon are in Snohomish County.
For almost four decades, scientist Mauri Pelto has journeyed to measure the melting Columbia Glacier.
