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)

Animals watch over their dead, but is it really mourning?

Airlines crack down on support animals

Should you let your dog lick your face?

When people and pets at this shelter need inspiration, all they have to do is look up

Stressed dogs prefer reggae and soft rock

Why is it such a pain to brush a dog's teeth?

Wanted: Someone to live on a beautiful Greek island with 55 cats

Oh, what a difference a doggie bath can make

A hot weather survival guide for dogs

How a dog found in a garbage pile in Egypt found his calling in America

A puppy almost killed for being the 'wrong' kind of dog just landed a coveted police K9 job

Why small dogs aim high when they pee