What does the future hold for us? What advances are being made in technology and medicine today that will help us tomorrow? What effects of climate change are we already feeling, and how can we stop it from doing further damage? Read more about today's world and tomorrow's, from how the growth of cities has affected society to income inequality, modern media, and smart tech and AI. Learn about environmental challenges scientists are working to overcome, and meet some endangered species they are trying to protect. Plus, hear from Britannica Experts about their work in AI, electrical engineering, and more.