Overall, average global river outflow in 2014 slightly exceeded the climate normal. 

Scientists estimated global average carbon dioxide concentration at 397.2 parts per million (ppm) in 2014, as the global growth rate of carbon dioxide continues to accelerate. 

Wednesday, June 17, 2015

Global warming is one symptom of the much larger problem of human-caused climate change.

Tuesday, April 14, 2015

While many of us were wrapped up in March Madness this spring, Alaska residents and people across the globe participated in a different kind of competition.

Wednesday, March 11, 2015

The United States has plenty of warming wiggle room before it gets too warm to snow, and a wetter atmosphere may boost snow totals for some storms.