Ocean currents are our planet’s circulatory system, and they keep everything from ecosystems to the climate healthy. But we’re changing earth in ways that threaten critical ocean currents like the planet-wide Great Ocean Conveyor – a development that could have devastating effects on our future.

In this video, we explore how ocean currents work, how climate change could critically disrupt them and what we can do to stop that from happening.

View the original video here.

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