Now, they've found this world harbors winds of some 20,500 mph ... They're like rivers of high-speed atmospheric air, and have major implications for our Earthly weather as they separate cold and warm ...

"On average, certified homes use 20 to 30 percent less energy than non-green homes, with some homes saving up to 60 percent." ...

Scientists found that atmospheric winds can either slow or energize ocean eddies depending on their direction.

Weather refers to atmospheric conditions ... This process causes more heat to be kept near Earth's surface, warming our world. There are measuring stations all around the world that keep track of air ...

Weather World is available to stream on pbs.org and ... Squalls possible in some parts of Pennsylvania. Here's a look at our visible satellite picture today. Snow pack on the ground.

But what exactly is it and how does it impact our weather? The polar vortex is like a giant, swirling pool of super-cold air in the upper atmosphere over the North Pole. Imagine it like a children ...