A plastic bag, a dirty pizza box, plastic utensils, paper napkins, and a soda can—a single takeout meal can feel like a game of recycling trivia. Which items can be recycled? What kinds of plastic go ...

Diplomats told E.U. officials that the bloc’s law on methane, a potent greenhouse gas, would hurt American oil and gas companies. By Lisa Friedman A yearly checkup on the region documents a warmer, ...