October 22, 2009

Climate scientists discuss what they know about global climate change today, and how they know it.

August 30, 2009

The Southern Oscillation Index tracks differences in air pressure between the eastern and western sides of the tropical Pacific.

January 1, 2015

Temperatures measured on land and at sea for more than a century show that Earth's globally averaged surface temperature is rising.

January 19, 2017

In 2016, the annual global temperature reached a record high for the third year in a row. How did this happen, and how unusual is it?

In this activity, students examine climate variability in the North Atlantic associated with the North Atlantic Oscillation (NOA) in a case study format.

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