• The AMOC is key to maintaining the mild climate of the UK.
• The AMOC is predicted to decline in the 21st century in response to a changing climate.
• Past abrupt changes in the AMOC have had dramatic climate consequences.
• There is growing evidence that the AMOC has been declining for at least a decade, pushing the Atlantic Multidecadal
Variability into a cool phase.
• Short term fluctuations in the AMOC have proved to have unexpected impacts, including being linked with severe
winters and abrupt sea-level rise