Transportation accounts for 28 percent of Americans’ overall greenhouse gas emissions. Here's a look at how various modes stack up.
Here's when weather have the biggest impact on air travel.
As the U.S. and globe have warmed, lake-effect snowfall amounts have been on the rise.
A look at how El Niño influences global weather patterns.
Even with the big swings of Halloween weather from year to year, Octobers are warming across the U.S.
See what 33 different coastal locations may be in for by 2050.
A graphical look at the top indicators of a warming world.
2014's Arctic sea ice minimum isn’t going to be as low as the record set in 2012, but it will be well below the 1981-2010 average.