MIT Technology Review: We’re about to kill a massive, accidental experiment in halting global warming

"Studies have found that ships have a net cooling effect on the planet, despite belching out nearly a billion tons of carbon dioxide each year. That’s almost entirely because they also emit sulfur, which can scatter sunlight in the atmosphere and form or thicken clouds that reflect it away.  In effect, the shipping industry has been carrying out an unintentional experiment in climate engineering for more than a century."


Linked to: Sulfur

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