State of the Climate: National Climate Report 2021
This online resource compiles national climate data for the year 2021. Read More →
Another Record: Ocean Warming Continues through 2021 despite La Niña Conditions
This study finds that the world ocean, in 2021, was the hottest ever recorded by humans.Read More →
Another Record: Ocean Warming Continues through 2021 despite La Niña Conditions
This study analyses recent ocean heat content changes through 2021. Read More →
Marine Heatwaves in the Chesapeake Bay
This study finds that long-term warming of the Chesapeake Bay has led to significant trends in the frequency and intensity of marine heat waves in the region. Read More →
Accelerated mass loss of Himalayan glaciers since the Little Ice Age
This study shows a ten-fold acceleration in Himalayan glacier ice loss.Read More →
Thermokarst acceleration in Arctic tundra driven by climate change and fire disturbance
This study identifies climate change as the principal driver of all thermokarst formed during 1950–2015 and predicts that climate change and wildfire will synergistically accelerate thermokarst as the Arctic transitions in this century.Read More →
Arctic Report Card 2021: Rapid and pronounced warming continues to drive the evolution of the Arctic environment
This report provides environmental information on the current state of different components of the Arctic environmental system relative to historical records.Read More →
New climate models reveal faster and larger increases in Arctic precipitation than previously projected
This study demonstrates that the transition from a snow- to rain-dominated Arctic in the summer and autumn is projected to occur decades earlier and at a lower level of global warming than previously thought.Read More →
Observing, Measuring, and Assessing the Consequences of Snow Drought
This study evaluates the scientific challenges and uncertainties arising from differences in defining and measuring snow droughts.Read More →
Globally resolved surface temperatures since the Last Glacial Maximum
This study assesses drivers of temperature variability over the last 24 thousand years.Read More →