Climate scientist Wallace Smith Broecker, who popularised the term &quot;global warming&quot; has passed away in New York.<br />”<br />”Eighty-seven-year-old Columbia University professor breathed his last at a New York City hospital on Monday.<br />”<br />”Broecker brought &quot;global warming&quot; into common use with a 1975 paper that correctly predicted rising carbon dioxide levels in the atmosphere would lead to pronounced warming.<br />”<br />”Broecker was also first to recognize what he called the Ocean Conveyor Belt, a global system of ocean currents circulating water and nutrients. He joined Columbia's faculty in 1959 and was known in science circles as the &quot;Grandfather of Climate Science&quot;.<br />”<br />