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)

Tiny kitten keeps all 9 lives, thanks to biker on busy highway

Deaf, partially blind dog kept child safe in Australian wilderness

This shelter dog hugged his way to a real home

Saving shelter cats with a high-five

A dog locked up for 2 years tastes freedom

Toby the cat walked 12 miles to get back to the family that didn't want him

Pets that get the royal treatment

Crafty cat isn't interested in things like doors

Lost beagle found after 9 days (and 1,000 searchers and a helicopter)

TV theme song helps police locate lost husky

Dogs 'see' the world through their noses