Bradford Plumer comments that because dogs make cities safer, and therefore more desirable, there is also a spin-off effect of making cities Greener.
And if the parks and streets are safer, wouldn’t that convince more people to live in those urban neighborhoods (say, instead of the suburbs)? Doesn’t that ultimately have a green effect? I don’t know how it all tallies up, but surely there are a few marks on the positive side of the dog externality ledger.
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