The state of Washington has denied a key permit sought by a company that wants to build and operate a large terminal to export coal from the western U.S. to Asia.

Planes made for Alaska's unique needs of delivering groceries, people and even worn-out sled dogs to far-flung parts of the nation's largest state are being retired

Coffee could carry an ominous cancer warning in California if a nonprofit group prevails in a Los Angeles courtroom

With the busiest U.S. border crossing closing to cars heading to Mexico, frequent crossers worry that they'll now face long lines on both sides

California's market for buying and trading permits to emit carbon pollution is expanding to include the province of Ontario

California must decide what's next for upgrading its outdated water supply system after a key player rejected Gov. Jerry Brown's $16 billion plan to build two giant tunnels

Opioid epidemic, other issues lead small businesses to think about how to handle drug abuse