National Dog Week begins today, giving us a whole week to celebrate the dogs who share our lives and encourage people to appreciate and care for them. More than one million dogs are adopted from shelters in the U.S. each year, giving them the chance to become part of a family. National Dog Week is a good time to celebrate the dogs already in our homes while remembering the dogs still waiting for theirs. Here are four ways to celebrate National Dog Week with your dog: 1. Take Your Dog on a…