Climate change, geopolitical conflicts, and supply chain struggles are pushing sub-Saharan Africa to the brink of food insecurity. But one changemaker is using data science to tackle the issue head-on. As Africa program director for NASA Harvest, Catherine Nakalembe is ditching the traditional crop monitoring that’s too costly and complicated to deploy regularly on the continent. Instead, this #PMIFuture50 leader uses satellite images in conjunction with on-the-ground data to provide farmers with consistent, continuous tracking.⁠ ⁠ “This information is absolutely critical for programs that seek to enhance productivity, maximize resources like water and fertilizer, and inform life-saving decisions through early warning leading to early action,” Nakalembe says in her TEDx Climate Change AI talk.⁠ ⁠ Based on the data, she’s developed a food security and crop monitoring bulletin for Uganda, Tanzania, Kenya, Rwanda, and other parts of East Africa. It’s just one example of how young leaders ...