November 16, 2018

Hot, dry and windy weather helped create the conditions needed for wildfires to explode in northern and southern California in November 2018. 

Skiing at Lake Tahoe
November 19, 2018

From retreating snow elevations to rain-soaked powder, warming due to human-caused climate change will radically transform U.S. skiing over the remainder of the twenty-first century. 

Temperature anomaly map
September 4, 2018

The 15 years from 1998–2012 were the warmest on record at that time, but the rate of global surface warming was slower than it had been in the 2-3 decades prior thanks to several natural influences. Meanwhile, the ocean's heating imbalance continued to climb.

August 23, 2018

While the western United States baked under high temperatures, the eastern United States has been getting increasingly soggy this summer.

August 16, 2018

Unusually persistent harmful algal blooms have plagued fresh and salt water environments in southern Florida during the summer 2018. 

close up photo of a cross-section of a tree, showing growth rings
November 29, 2018

Tree rings can reveal the age of wood used to make human artifacts from famous violins to the cliff ruins of Mesa Verde, and also tell us about the climate conditions that prevailed when those trees were alive. 

September 27, 2018

New research suggests the climate change could affect how ENSO impacts temperature and wildfires. Read on to learn what that means.