blog posts What does climate change mean for agriculture? Less food and more emissions. Jul 2, 2025 8:30 am by GristIllinois in the News Share on Facebook Tweet Email Images Grist (June 30) Researchers have found that, even with adaptation, global warming is associated with 'almost a linear decline in caloric output,' says Andrew Hultgren, a professor of agricultural and consumer economics at the U. of I. Share on Facebook Tweet Email