Las Vegas nights aren't as cool, literally, as they used to be. Nighttime low temperatures have increased nearly 10 degrees over the past sixty years. We've become an 'urban heat island.' KNPR's Ky Plaskon reports.
Las Vegas nights aren't as cool, literally, as they used to be. Nighttime low temperatures have increased nearly 10 degrees over the past sixty years. We've become an 'urban heat island.' KNPR's Ky Plaskon reports.