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)

A cat's nose knows more than you think

How to make your own dog treats

Laws protect pets in severe weather

Which Thanksgiving foods are safe for pets?

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12 studies that prove pets are good for your health

Houtong Cat Village: A cat lover's paradise

'Happiest dog in Scotland' has found a home

3 awesome examples of humans forming a chain to save a dog

Should intelligent animals have human rights?

Denver outlaws cat declawing