Ozone levels are expected to rise into the Unhealthy for Sensitive Groups range today for the southwest coast of Maine. Meanwhile, particle pollution is expected to be in the Moderate range due to a ...

In the Southwest, cities including Las Vegas and Phoenix are under extreme heat warnings, with temperatures expected to climb ...

Provincial teams are fighting three out-of-control wildfires in New Brunswick and are expecting help from other Maritime ...

A heat emergency was declared in Boston this week as temperatures across the Northeast and New England start to soar.

The NWS forecasts that ground-level ozone and particulate concentrations will reach dangerous levels and even normally healthy people should exercise caution.

Maine can’t enforce a voter-approved foreign election interference law that a federal appeals court says likely violates the ...

Officials are working to determine the cause of an explosion that rocked a steel plant outside Pittsburgh, leaving two dead ...

An explosion at a U.S. Steel plant that shook the ground near Pittsburgh left one dead and sent at least 10 to hospitals with emergency workers still searching the badly ...

The Somo Village facility will release fewer CO2 emissions than a semitruck while operating, according to the company, and ...

An explosion Monday at a U.S. Steel plant near Pittsburgh has left dozens wounded and people trapped under the rubble, with emergency workers on site trying to rescue them, officials said. There are ...