Like the months before it, April 2020 was also the second warmest on record for the globe, which means 2020 is almost certain to be among the four warmest years on record.
Why ranking the years is kinda genius, and kinda dumb.
Everyone's asking if the arrival of El Niño guarantees that 2015 will set a new record for warmest global temperature. In his latest blog, Deke Arndt explains why it's possible--maybe even likely--but not guaranteed.