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Sea Ice

The Ongoing Study of Global Change

August 23, 2019
Scientific partners contribute to a sustained effort to understand the underlying factors driving global climate change.

Reporting on the State of the Climate in 2018

August 12, 2019
We’re announcing the release of the State of the Climate in 2018 report, an annual assessment of Earth’s climate system.

Assessing the Global Climate in 2018

February 6, 2019
The globally averaged temperature over land and ocean surfaces for 2018 was 1.42°F (0.79°C) above the 20th century average.

Reporting on the State of the Climate in 2017

August 7, 2018
We’re announcing the release of the State of the Climate in 2017 report, an assessment of the world’s climate system.

In Like a Lion, Out Like a Lamb: Studying Sea Ice

August 10, 2018
Arctic sea ice reaches its maximum extent this month. The Sea Ice Index houses a repository of data used to track sea ice trends and changes.

Assessing the Global Climate in January 2017

July 30, 2018
The globally averaged temperature over land and ocean surfaces for January 2017 was the third highest for the month.

New Version of Sea Ice Data Released

August 6, 2018
NCEI makes available a new version of the Sea Ice Concentration Climate Data Record.

Planet Postcard: Glacial Revelations

August 22, 2018
Glaciers are much more than meets the eye. They provide a window into the past and perhaps, a glimpse into our future.

Assessing the Global Climate in 2016

July 25, 2018
The globally averaged temperature over land and ocean surfaces for 2016 was the highest since record keeping began in 1880.