The amount of carbon dioxide in the atmosphere has a strong correlation with rising temperatures.
Foliage color and timing has been starting later, on average, in a warming world.
The peak of hurricane & tropical storm activity doesn’t usually come until Sept. 10. And, on average, there tend to be significantly more storms after the peak than before it.
The current level of understanding makes it hard to say for certain how climate change will influence Atlantic hurricanes in the future.
Despite the recent slowdown in warming rate, this past decade was the world's warmest on record.
As the graphic shows, people cause most wildfires. But lightning-ignited fires burn by far the most territory.
Record highs have outpaced record lows by a bigger margin each decade since the 1960s.
The highlights of NOAA's 2013 Spring climate summary.