Edge on Demand: Pets Pulling Their Own Weight

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 There was a time when pets were more than just animals we love.  We loved them, in part, because they helped us survive.  Whether it was getting rid of pests like mice and rats, guarding the house, or guarding livestock, they pulled their own weight.  But times have changed.

A researcher at the Worldwatch Institute, which studies sustainability and environmental data, says pets are a real drag on the world, and that they should perform a function in society rather than simply exist to be loved.

So what do you think?  Should pets have to pull their own weight?

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