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

A drop in dangerous sulphur emissions from international transport is argued by some researchers to be an element behind the record-breaking warmth seen in 2023, notably within the North Atlantic Ocean. Whereas the drop has in all probability had solely a really small warming impact on international common temperatures thus far, it could have a extra important warming impact over coming many years.

To elucidate the unprecedented heat noticed throughout a lot of the world in 2023, local weather researchers level to 2 main elements: the …