Heat rising up from cities such as New York, Paris and Tokyo might be remotely warming up winters far away in some rural parts of Alaska, Canada, and Siberia, a surprising study theorizes.
America set an off-the-charts heat record in 2012.

Government meteorologists say 2012 was by far the hottest year on record in the United States.
America set an off-the-charts heat record in 2012.
Final testing is being done on a National Center for Atmospheric Research supercomputer on the outskirts of Cheyenne that will be used for climate modeling and other Earth sciences.

Scientists have been studying solar influences on the climate for more than 5,000 years.

Carbon taxes have regained traction this year as several Democrats and even a few Republicans have voiced support for implementing a tax on all energy producers for the amount of carbon dioxide they emit, and then "refunding" the revenue to taxpayers in the form of a cut to the personal income tax, which some economists say distorts the economy more, dollar-per-dollar, than a carbon tax would.
If you want a glimpse of some of the worst of global warming, scientists suggest taking a look at U.S. weather in recent weeks.
Is it just freakish weather or something more? Climate scientists suggest that if you want a glimpse of some of the worst of global warming, take a look at U.S. weather in recent weeks.