STORY AT-A-GLANCE
- 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