In his cookbook called Mantra, which was released last month, Graffiti chef-owner Jehangir Mehta includes a recipe for a cocktail he calls “Barley Legal,” a cheeky mix of ultra-healthy barley water and Johnny Walker. "This drink is dedicated to all the young celebrities out there," the chef writes, introducing the recipe. And it’s probably a sincere note of acknowledgment, coming at the tail end of book filled with new and understated ideas about food. The......

First devastating weather patterns and destroyed coral reefs, then lousy harvests and global food shortages, now this: soaring beer prices. In an increasingly warmer world, precious, life-sustaining beer is becoming a luxury item. The past year has seen a drought in Australia, flooding in Germany, hailstorms in the Pacific Northwest, and lower crop yields throughout Europe – all resulting in a dramatic spike in the cost of grains and hops. Climate scientist Dr Jim Salinger......