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  2. An Underground Greenhouse Is the Secret to Year-Round ... - AOL

    www.aol.com/lifestyle/underground-greenhouse...

    If your underground greenhouse includes a heating element or thermal materials, or if you live in a warmer climate, you may also be able to grow other crops, such as berries, tomatoes, beans, etc ...

  3. Climate-friendly gardening - Wikipedia

    en.wikipedia.org/wiki/Climate-friendly_gardening

    The burning of fossil fuels is the main source of the excess greenhouse gases causing climate change, but there are other sources to consider as well.A special report from the Intergovernmental Panel on Climate Change (IPCC) estimated that, in the last 150 years, fossil fuels and cement production have been responsible for only about two-thirds of climate change while the other third has been ...

  4. Cold frame - Wikipedia

    en.wikipedia.org/wiki/Cold_frame

    The transparent top admits sunlight and prevents heat escape via convection that would otherwise occur, particularly at night. Essentially, a cold frame functions as a miniature greenhouse to extend the growing season. [1] Historically, cold frames were built to be used in addition to a heated greenhouse. The name itself exemplifies the ...

  5. Ground source heat pump - Wikipedia

    en.wikipedia.org/wiki/Ground_source_heat_pump

    A heat pump in combination with heat and cold storage. A ground source heat pump (also geothermal heat pump) is a heating/cooling system for buildings that use a type of heat pump to transfer heat to or from the ground, taking advantage of the relative constancy of temperatures of the earth through the seasons.

  6. Geothermal heating - Wikipedia

    en.wikipedia.org/wiki/Geothermal_heating

    In 1892, America's first district heating system in Boise, Idaho, was powered directly by geothermal energy, and was soon copied in Klamath Falls, Oregon in 1900. A deep geothermal well was used to heat greenhouses in Boise in 1926, and geysers were used to heat greenhouses in Iceland and Tuscany at about the same time. [21]

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  8. Greenhouse - Wikipedia

    en.wikipedia.org/wiki/Greenhouse

    The main problem with heating a greenhouse as opposed to a building that has solid opaque walls is the amount of heat lost through the greenhouse covering. Since the coverings need to allow light to filter into the structure, they conversely cannot insulate very well.

  9. Biomass heating system - Wikipedia

    en.wikipedia.org/wiki/Biomass_heating_system

    Biomass heating plant in Austria; the heat power is about 1000 kW Fully automatic 140 kW wood chip heating system in Austria. 35 years old. There are four main types of heating systems that use biomass to heat a boiler. The types of biomass heating are fully automated, semi-automated, pellet-fired, and combined heat and power.