As the globe continues to warm, it is already having an effect on the jet stream and corresponding weather patterns.
Foliage color and timing has been starting later, on average, in a warming world.
Compared with the median ice cover from 1981-2010, 2013's Arctic sea ice loss comes out to approximately 1.74 times the land area of Texas.
Scientists say increased CO2 emissions are making poison ivy worse.
The highlights of NOAA's 2013 Spring climate summary.
The number of big fires has shot up since 1970, with the largest number occurring during the years with the highest temperatures.
By 2100, sea level may be as high as six-and-a-half feet above 1992 levels, putting the homes of 7.8 million Americans at risk of being flooded.
A snapshot of how 2012 stacks up against the five other warmest years ever recorded in the U.S.