MILAN — Michelle Obama has long been one of the world’s best-known advocates for healthier food production and better eating, but it was her husband who showed up here on Tuesday to talk about climate change and the challenges it presented to feeding the world’s growing population.
Former President Barack Obama gave his first speech outside the United States since leaving office at the Seeds & Chips conference, an annual gathering of policy makers, investors and technology entrepreneurs focused on innovations to improve the food chain.