Parts of central Pennsylvania are under a code orange air quality alert, but the Midwest is seeing bigger air quality ...

Minnesota faces 'very unhealthy' air amid Canadian wildfire smoke. Stay safe as experts give tips on protecting respiratory ...

Wildfires raging across western Canada have contributed to smoky days with no end in sight in the Rainy River District.

U.S. government undertook its most controversial wildlife program yet: restoring wolves to Idaho and Yellowstone.