Last I read was that the meeting of ice in Antarctica is increasing the probability of extending La Nina (sorry I lost the source). There are theories about ENS

Last I read was that the meeting of ice in Antarctica is increasing the probability of extending La Nina (sorry I lost the source). There are theories about ENSO states becoming more frequent with climate change, the most favoured one was a more stable El Nino (see PNAS article by Lenton on climate tipping)