6/07Number of recent computer models that a team of climate experts studied to assess Arctic warming: 15

Mark Serreze, National Snow and Ice Data Center (Boulder, Colo.)

    Number of the models that showed the North Pole having ice-free summers by 2100: 7

Mark Serreze, National Snow and Ice Data Center (Boulder, Colo.)

12/03Year in which a terrorist threat against “S. Claus,” the “Prime Minister” of the North Pole, was declassified by the CIA: 1997

National Security Archive (Washington)

12/02Average number of miles by which the magnetic North Pole moves each year: 25

Natural Resources Canada (Ottawa)

6/88Percentage of dogs that are overweight: 40

Alpo Pet Food (Allentown, Pa.)

10/84Cost of raising a medium-size dog to the age of 11: $5,902

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