Summary/Abstract
The change in global mean surface temperature is a crucial and broadly used indicator of the evolution of climate change. Any decadal scale changes in warming rate are however obfuscated by internal variability. In this peer-reviewed study, the authors show that the surface temperature increase through the recent La Nina influenced years (2022) is consistent with the 50-year trend of 0.18 °C/decade. The authors use an Earth System Model based tool to filter out modulations to the warming rate by sea-surface temperature patterns, and find consistent warming rates in four major global temperature data series. However, the authors also find clear indications, in all observational series, of a step-up in warming rate since around 1990. CMIP6 models generally do not capture this observed combination of long-term warming rate and recent increase.