NPR

How Ocean Currents Influence Global Climate And Weather

Oceans cover more than 70 percent of the Earth's surface, and all that water is in constant motion.
This enhanced satellite image made available by NOAA shows Tropical Storm Florence, center, in the Atlantic Ocean on Saturday, Sept. 8, 2018. (NOAA via AP)

The National Oceanic and Atmospheric Administration’s 2018 Arctic Report Card, released this week, warns that a warming Arctic is causing widespread environmental changes. These changes are due in part to the ways the Arctic affects ocean currents around the world.

Here & Now’s Jeremy Hobson talks with Greg Johnson, an oceanographer at the National Oceanic and Atmospheric Administration, about how ocean currents move and how they influence the Earth’s climate and weather.

Interview Highlights

On how water moves around the world

“Ocean currents are actually primarily driven

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