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Cleaner shipping emissions may have warmed the planet – but only a bit


Container Ship Vessel

Since 2020, sulphur emissions from container ships have fallen


A drop in harmful sulphur emissions from global shipping is argued by some researchers to be a factor behind the record-breaking heat seen in 2023, particularly in the North Atlantic Ocean. While the drop has probably had only a very small warming effect on global average temperatures so far, it may have a more significant warming effect over coming decades.

To explain the unprecedented heat observed across much of the world in 2023, climate researchers point to two primary factors: the …

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