A professional dancer from the U.K. with a zest for life has had her dream of pursuing a career in America end in tragedy. All because of a cookie that wasn’t labeled for peanut, to which she was severely allergic. Órla Baxendale, 25, died of anaphylactic shock because she ate a cookie that turned out...

Climate change is arguably the greatest environmental threat that humanity has ever faced. There is no country that isn’t experiencing its devastating effects. Ice on rivers and lakes is breaking up during the winter, trees are flowering too soon, plant and animal ranges have shifted, glaciers have shrunk, storms are now stronger and more frequent,...