OK that should have read: since 1870 AD. Looks very similar, we had both versions. The AMOC is widely known as the Gulf Stream System. More on this story: https://t.co/2PwYUmHKkAhttps://t.co/Mf1eqkJbKu

— Prof. Stefan Rahmstorf 🌏 🦣 (@rahmstorf) September 25, 2019