EarthTalk: Do cats have to eat meat? Green cities? 1

Dear EarthTalk: I don’t eat meat, for a variety of ethical and environmental reasons, and I’d rather not feed it to my cat, either. Do cats have to be carnivores? — John McManus, Needham, MA Unlike dogs and other omnivores, cats are true (so-called “obligate”) carnivores: They meet their nutritional needs by consuming other animals(…)