Climate Change Will Cut Corn Yields by a Quarter by 2030, NASA Says

Nov 03, 2021

By Megan Durisin

Global corn yields could sink by nearly a quarter by 2030 as climate change wreaks havoc on traditional weather patterns.

That’s according to a new international study from groups including the National Aeronautics and Space Administration and the International Institute for Applied Systems Analysis. Rising temperatures and shifts in rainfall will make it harder to grow the crop — a staple in global livestock rations — in areas like the Americas, west Africa and China. And the production cuts are occurring sooner than expected versus past studies.

“Even under optimistic climate change scenarios, where societies enact ambitious efforts to limit global temperature rise, global agriculture is facing a new climate reality,” lead author Jonas Jaegermeyr said in a statement. “And with the interconnectedness of the global food system, impacts in even one region’s breadbasket will be felt worldwide.”

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Video: Agriculture Secretary Rollins Speaks at American Farm Bureau Federation Convention in Anaheim

One of the highlights at the 2026 American Farm Bureau Federation Convention in Anaheim, California, was an address by U.S. Secretary of Agriculture Brooke Rollins. During her remarks, she thanked America’s farmers and ranchers and said the Trump Administration is fully aware that food security is national security.

She also acknowledged the challenging times in Farm Country with low commodity prices and high input costs and said that’s why the President stepped in to help with the recent Bridge Assistance Program.

Montana Farm Bureau Federation Executive Vice President Scott Kulbeck says that Farm Bureau members are appreciative of the help and looks forward to working with the American Farm Bureau Federation and its presence in Washington, DC to keep farmers and ranchers in business.

Secretary Rollins said the Trump Administration is also committed to helping ranchers build back America’s cattle herd while also providing more high-quality U.S. beef at the meat case for consumers.

And she also announced more assistance for specialty crop producers who only received a fraction of the $12 billion Farmer Bridge Assistance (FBA).

It’s important to note that producers who qualify for Farmer Bridge Assistance can expect the Farm Service Agency to start issuing payments in late February. For more information, farmers and ranchers are encouraged to contact their local USDA Service Center.