Documentary — Nebraska Retiree Uses Earth’s Heat to Grow Oranges in Snow


  • Tropical fruits can be grown in subzero climates with geothermal energy
  • The only heat source for geothermal greenhouses is the Earth’s heat, which is 52 degrees at 8 feet deep
  • Energy costs to run a geothermal greenhouse are less than a dollar a day
  • Harmful herbicides and pesticides can be avoided with geothermal greenhouses
  • Geothermal greenhouse produce is marketable at local farmer’s markets
  • The crops can be more profitable because there are few transportation costs involved

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