Hansen: The World Has Cooled Off – What’s the Significance?
June Update: A month after Hansen’s post – the index changed considerably, in June NOAA made the following post By James Hansen and Makiko Sato, 13th May 2021. Global temperature in April continues to be much less than a year ago (Fig. 1: left side). ENSO (El Nino Southern Oscillation) is the principal cause of…