John Radzilowicz

On average, 2014 was Earth's hottest year ever -- in the ocean and on land. That's according to the National Oceanic and Atmospheric Administration, which…

On average, 2014 was Earth's hottest year ever -- in the ocean and on land. That's according to the National Oceanic and Atmospheric Administration, which…

The Polar Vortex is back and it's ready to blast 200 million people with arctic air, lunging into the North Central U.S. this week and expanding southward…

The Polar Vortex is back and it's ready to blast 200 million people with arctic air, lunging into the North Central U.S. this week and expanding southward…

From mild, rainy, and in the 40's Sunday, to an all-time record low of -9 Tuesday to 50 degree temperatures by end of the week. Pittsburgh is experiencing…

From mild, rainy, and in the 40's Sunday, to an all-time record low of -9 Tuesday to 50 degree temperatures by end of the week. Pittsburgh is experiencing…