Start your week off right with these excellent stories from the urban world. This week: baseball economics, a ghastly smelling tour, Canadian sewers, radical policing tactics, and more.

  • Why World Series tickets cost 81 percent more in Boston than they do in St. Louis. [Next City]
  • "30 million people in the American West depend on snowmelt. 22 million of them live in Southern California." [Boom]
  • Humans have altered the geologic reality of the planet to such an extent that some scientists want to call it the "Anthropocene Age." [io9]
  • A new algorithm applied to the cruise-control feature of your car could eliminate frustrating traffic jams. [Science Daily]
  • A horrific Halloween tour of New York City's largest wastewater treatment plant. [Gothamist]
  • Bikes are outselling new cars in 25 of the 27 European Union countries. [NPR]
  • Michael Cook's photography of sewer systems make them look like underground cathedrals. [MacLean's]
  • Speaking of the underground, William Langewiesche goes beneath New York: "Every day the city beneath the city grows and deepens, an expanding universe down every entrance and manhole." [Vanity Fair]
  • How a new policing model transformed one of the most violent cities in the country. [Al Jazeera America]
  • Contesting the Bloomberg legacy in Queens and the Bronx. [The Architect's Newspaper]

Opening image courtesy of Atley Kasky—who you should be following on Instagram. Got an Instagram of your own you'd like us to use in our next link round-up? Tag it #gizmodocities and we'll be in touch if we want to post.