Record highs have outpaced record lows by a bigger margin each decade since the 1960s.
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.
Climate change can be natural, but what’s happening now can’t be explained by natural forces.
Global sea level rise since 1880.
We've been in an active Atlantic Hurricane period since 1995, where the average number of named tropical storms has jumped significantly to 15.2 per year.
Charles David Keeling's measurements provided the first significant evidence of increasing atmospheric carbon dioxide concentration in the atmosphere.