• The cold science of freezing temperatures  Tuesday, 7 Jan 2014 | 11:50 AM ET

    Bill Nye, The Planetary Society executive director, discusses the dangerous conditions of the "polar vortex" and the risk extremely cold weather poses to machines and our own bodies.

  • Polar vortex business impact  Tuesday, 7 Jan 2014 | 11:18 AM ET

    Madison, Wis., is experiencing wind chills in the 40 below range. Mayor Paul Soglin of Madison discusses the economic impact of the arctic freeze and how it is affecting day-to-day business.

  • Chill! Florida's citrus crop is expected to survive Tuesday, 7 Jan 2014 | 11:17 AM ET
    Frozen oranges with misters running to avoid as much damage as possible during a cold snap affecting the San Joaquin Valley citrus crop, Dec. 6, 2013 in Traver, Calif.

    Cold weather did not harm oranges and other fruit across Florida's citrus-growing regions, the state's leading growers association said on Tuesday.

  • Cold weather crippling flights nationwide  Tuesday, 7 Jan 2014 | 11:07 AM ET

    CNBC's Phil LeBeau reports how the freezing winter weather is affecting the airlines. 12,243 flights have been cancelled over the last 4 days according to FlightAware.

  • Beyond freezing in Flint, MI  Tuesday, 7 Jan 2014 | 10:30 AM ET

    Mayor Dayne Walling of Flint, Michigan, discusses the arctic cold temperatures blasting the Midwest and its impact on business. Flint received 16 inches of snow in the latest snowstorm.

  • Gold trades down, nat gas futures rise  Tuesday, 7 Jan 2014 | 9:42 AM ET

    CNBC's Sharon Epperson reports gold is trading down in anticipation of the Fed's next move after Friday's jobs report.

  • Brutal cold grips the nation  Tuesday, 7 Jan 2014 | 9:16 AM ET

    Polar air brought bitter cold to the Midwest, East Coast and the deep South, reports The Weather Channel's Julie Martin.

  • Deep South in deep freeze  Tuesday, 7 Jan 2014 | 8:15 AM ET

    Freezing temperatures are setting records as far South as Georgia, reports The Weather Channel's Julie Martin.

  • Arctic blast drops temps to record lows  Tuesday, 7 Jan 2014 | 7:24 AM ET

    Sub-zero temperatures are sweeping across a huge swath of the nation as a polar vortex bears down on millions of people, reports The Weather Channel's Julie Martin.

  • As US freezes, Australia sweats with heat wave Monday, 6 Jan 2014 | 10:15 PM ET
    A home destroyed by bushfire as seen on October 21, 2013 in Winmalee, Australia.

    As the bone chilling "polar vortex" continues to freeze America to its core, in Australia things could not be more different. NBC reports.

  • A man and his dog contend with blowing snow in Brooklyn following a snow storm that left up to 8 inches of snow on January 3, 2014 in New York.

    Meteorologists said a "polar vortex" was to blame for the record-breaking cold that left most of the U.S. quite miserable Monday. The GP reports.

  • What happened to global warming?  Monday, 6 Jan 2014 | 7:08 PM ET

    Discussing the environmental crisis theory of global warming with, Sen. James Inhofe, (R-OK).

  • Weather impact 'across the board': Pro  Monday, 6 Jan 2014 | 4:15 PM ET

    Evan Gold, Planalytics senior VP of client services, provides insight on how extreme weather conditions are impacting retailers' bottom line.

  • Weather just shifting sales?  Monday, 6 Jan 2014 | 4:04 PM ET

    Real estate broker Dolly Lenz discusses if weather is having a much more than anticipated impact on the consumer. FM trader Jon Najarian, weighs in.

  • Pump Patrol: Lowest gas price in Montana  Monday, 6 Jan 2014 | 2:49 PM ET

    CNBC's Sharon Epperson offers insight on how record low temperatures are impacting gas prices across the U.S.

  • Storm's economic impact  Monday, 6 Jan 2014 | 2:09 PM ET

    The Weather Channel's Paul Walsh provides insight on how consumers change their shopping behaviors when the weather gets bad.

  • Own airlines despite weather trouble: Trader  Monday, 6 Jan 2014 | 12:31 PM ET

    CNBC's Phil LeBeau reports flight cancellations due to winter storms will cost the airlines last minute bookings. The FMHR traders provide perspective.

  • Arctic blast hits US  Monday, 6 Jan 2014 | 1:05 PM ET

    The Weather Channel's Alex Wilson reports on the cold weather across the country.

  • Winter travel mess: Mass flight cancellations  Monday, 6 Jan 2014 | 11:17 AM ET

    CNBC's Phil LeBeau reports how bad weather conditions and record cold temperatures are causing travel nightmares for travelers in the upper Midwest and across the country. JetBlue has canceled 48 percent of its flights today.

  • Delivery.com thriving in bad weather  Monday, 6 Jan 2014 | 10:48 AM ET

    Jed Kleckner, Delivery.com CEO, explains how the record cold weather is affecting the delivery industry in a positive way and discusses the pricing model of Delivery.com.

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