Residents will gather Saturday in a scenic Minneapolis neighborhood for an annual ritual — the sharpening of a gigantic No. 2 ...

Air quality regulators in Southern California heard impassioned public comments Friday before an anticipated vote on proposed rules that would curb harmful emissions from gas-powered furnaces and ...

A state court jury convicted a Minneapolis-area man Friday of third-degree murder and vehicular homicide in the deaths of five young women in a crash that authorities ...

Smoke from Canadian wildfires started making air quality worse in the eastern U.S. on Wednesday as several Midwestern states ...