The world spends 40 billion a year Posted on January 31, 2016January 31, 2011 by admin “The world spends $40 billion a year on pet food.” — Nicholas D. Kristof Author: Nicholas D. Kristof Category: pet Tags: pet, Nicholas D. Kristof Spread the love Related posts: I wonder if other dogs think poodles The average dog is a nicer person I never married because there was no The dog is the god of frolic.