ScienceIf We Want to Live In Cities, Will We Have To Share Cars?KQED ScienceJun 6, 2014FacebookShare-FBTwitterShare-TwitterEmailShare-EmailCopy LinkCopy Link...Read More Source: NPR Science - ingested into KQED SponsoredSponsored KQEDScienceGet the best of KQED's science coverage in your inbox weekly.Enter Email AddressSign UpThanks for signing up to the newsletter.