Grow oranges in the snow
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This guy uses geothermal in his greenhouse to grow oranges and other fruit in the ice cold Nebraska winter.
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Bump. I just think this is so neat.
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@Cicero Yo thanks for bumping your post. this is the coolest ever.
Composting is another unexpected way to generate serious heat for greenhouses
https://www.youtube.com/watch?v=AjHIwabtqGo