This Earth Day weekend, adopt that adorable dog or cat you've been thinking about. MuttSavers has several precious rescued puppies. If you want an older furry friend, check out the shelters at the Humane Society of Boulder Valley and the Denver Dumb Friends League -- they both have some wonderful pets that need a nice home. MuttSavers will be at the PetCo in Broomfield located at 12163 Sheridan Blvd. with all their pups up for adoption.