These ocean drones are trawling for climate change data

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A fleet of unmanned boats is traveling from the Arctic to the equator, gathering vital data on climate change. Courtesy: Saildrones Inc.

By Katy Scott

A fleet of unmanned boats is traveling from the Arctic to the equator, gathering vital data on climate change.

The autonomous vessels — called “Saildrones” — resemble bright red surfboards. Each is fitted with a 20-foot-high carbon fiber sail, and 16 sensors that test variables including carbon dioxide, acidity, currents and…

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