pet dog
Pets — some of life's greatest sources of joy, love and, at times, frustration — can add up to a large carbon [paw]print. Since the pet products market has expanded from collars, food and litter to apparel, accessories, baked goods, fitness classes and much more, the impact pets have on the environment has grown. From cats and dogs to rabbits and horses, become a green pet owner with MNN's tips and ideas in the articles below. (Photo: Flickr)

When dogs and cats interrupt yoga

Dogs really can smell your emotional state

Photographer captures the secret life of a stray dog in paradise

Lulu the dog casts aside her CIA dreams

375-pound 'minipig' inspires 2 men to go vegan

Dog portraits offer a look into canine souls

California becomes the first state to ban sale of 'puppy mill' pets in stores

Dog rescued from roof of abandoned house

Parrot throws itself a little dance party

Dog stranded by wildfire waits for her family at burned-down home

It all started when the cat began acting 'weird' …

15 pets with Guinness World Records