The problem: All greenhouses in a cold climate need heat. So they consume energy and require human discipline. At the same time, it is possible that on a sunny day, a greenhouse can get hot enough to kill everything inside.
The solution: We have a plan to create a greenhouse that requires no heat, and will never overheat. Mostly, we will use the heat from the summer to heat the structure through the winter. And if we have a moment of excess heat we will passively store it and save it for later - with no harm to the plants, all with no need for human discipline.
The Greenhouse is Built, and the Movie is complete!
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