El Niño Means Warming – La Niña Means Cooling
El Niño Means Warming – La Niña Means Cooling
El Niño Means Warming – La Niña Means Cooling

It is beyond my comprehension why anyone would seek to force fit an alternative explanation based on CO2 since 1975/particulates from 1940-1970/solar forcing before 1940 etc. – when the ENSO explanation explains the temperature trend extremely well and much more elegantly.