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Contact: Mary Beckman
DOE/Pacific Northwest National Laboratory

Ship Tracks off Alaska Coast

Caption: Ship exhaust creates long streaks of clouds across the ocean's dark surface, making the sky brighter and reducing the amount of heat trapped in the atmosphere. Some researchers are exploring ways to make clouds brighter to reflect more sunlight back into space.

Credit: Photo courtesy of NASA. http://earthobservatory.nasa.gov/IOTD/view.php?id=37455

Usage Restrictions: Credit NASA

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