Scientist who popularized term “global warming” dies at 87

NEW YORK (AP) — A climate scientist who popularized the term “global warming” has died. Wallace Smith Broecker was 87.
Columbia University said the longtime professor and researcher died Monday at a New York City hospital. A spokesman for the university’s Lamont-Doherty Earth Observatory said Broecker had been ailing in recent months.
Broecker brought “global warming” into common use with a 1975 paper that correctly predicted rising carbon dioxide levels in th