Meanwhile, the Earth as a whole continues to ride the up-escalator of human-caused global warming

Two U.S. agencies have reported on how Earth’s climate fared in 2018. For the most part, the news wasn’t all that surprising: The long-term trend of human-caused global warming showed no significant signs of relenting.

But I was surprised by one finding: The United States experienced something of a split climatic personality last year.

More about that in a minute. First, though, NASA and