The pandemic will test our food and trade systems in ways never experienced before. Columbia food security researcher Michael Puma helps unravel the complex interplay of risks.
Even a limited nuclear exchange between India and Pakistan would cause unprecedented planet-wide food shortages lasting more than a decade.
Scientists have identified systematic meanders in the northern jet stream that cause simultaneous crop-damaging heat waves in widely separated regions—a previously unknown threat to global food production that could worsen with warming.
A new study led by researchers at Columbia’s Data Science finds that diversifying India’s crops could provide better nutrition for 200 million undernourished people.
A new study finds that ENSO has caused widespread, simultaneous crop failures in recent history, running counter to the long-held assumption that crop failures in geographically distant breadbasket regions are unrelated.