On this day, 1st July 1950, the US publication the Saturday Evening Post ran a story on the world … getting warmer. Nowt on carbon dioxide (at this stage, Guy Callendar’s data were largely ignored/in the doghouse).
Why it matters
People were attuned to some warming (even though at this stage it was relatively mild)
What happened next?
By the end of the decade the answer was “yes” and “carbon dioxide is in fact accumulating in the atmosphere.” It would be another decade before enough scientists started to say it to each other, and do more research, before the real fun started…