Greenbelt MD (SPX) Oct 19, 2022

A global standard limiting sulfur in ship fuel reduced artificial “ship track” clouds to record-low levels in 2020. Pandemic-related disruptions played a secondary role.

Ship tracks, the polluted marine clouds that trail ocean-crossing vessels, are a signature of modern trade. Like ghostly fingerprints, they trace shipping lanes around the globe, from the North Pacific to the Mediterranean
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