Complex Models Now Gauge the Impact of Climate Change on Global Food Production. The Results Are ‘Alarming’

Georgina Gustin, March 27, 2022 Inside Climate News

Climate change is a “threat multiplier,” making hunger emergencies worse. Advanced modeling shows that crop yields could plummet, faster than expected.

Inside dozens of bankers boxes, stacked high in a storage locker in New York City, Cynthia Rosenzweig has stashed the work of decades: Legal pads covered in blue-inked cursive with doodles in the margins, file folders marked “potato,” graph paper with notations of rainfall in Nebraska and Kansas.

Rosenzweig has worked at NASA’s Goddard Institute for Space Studies (GISS) at Columbia University since the 1980s, when researchers were delving deeper into the growing science demonstrating that human activity is warming the planet. But as her colleagues were focused on fossil fuel use or the impact of global warming on sea level rise, Rosenzweig, an agronomist by training, started to wonder what the changing climate would do to crops.


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