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Epi-center of the Solar CITIES Solution. We place "methanogenics" (the production of bio-methane or "biogas" by the Archaea and our other symbiotic microbial partners) at the heart and root of sustainable development because it is arguably the only technology that everybody everywhere can implement themselves at every scale.

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23
87 Measuring Nitrogen Levels
by Alexis Zeigler
30.10.2022 - 19:21
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Subforums: DIY Systems (8), Commercial Systems (1)
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54 African digesters
by Nick Chase
17.09.2017 - 15:24
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Subforums: Gas Collection and Storage (13)
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43 Biogas Filters.
by Nick Chase
18.06.2017 - 12:25
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8 butterfly valve
by Nick Chase
02.07.2018 - 22:58
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13 overfeeding
by Nick Chase
09.11.2020 - 12:30
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66 Bioponics
by Shirokuma ecofarm
20.08.2017 - 01:25
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Biogas talks in languages other than English
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Discussions about Biogas in Finnish / Suomi.
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here we discuss all aspects of solar energy. We distinguish between two major types in our subforums: Solar Electricity (Photovoltaics) and Solar Thermal (which includes solar hot water systems and solar concentrators).

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4 Evengreen Technology Helps...
by David Sheffield
18.03.2017 - 13:12
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Wind energy comes next on the list, not only for providing electricity, but as a source of heat for biodigesters (via the usual heat dump required by wind generators for energy overage) and as a direct source of pumping energy.
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1 Small scale wind projects
by Nick Chase
18.02.2015 - 17:32
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the need for thermal energy in much of the world to keep the biodigesters and plant growing systems going. In this board we discuss how to get that thermal energy -- from greenhouses to geothermal and a whole lot more! (Note, however, that discussions of SOLAR thermal heating go on in our SOLAR forum!)
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1 DIY Solar HW systems using...
by Thomas H. Culha...
28.11.2014 - 02:07
 
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Lets discuss the website, features, idea, what you like, what you don't like, etc.
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70 Roadmap Features
by Nick Chase
30.09.2016 - 19:01
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25 User generated content on...
by Nick Chase
23.02.2015 - 22:43
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12
23 GREETINGS FROM ITALY!
by Francesco Giglione
11.10.2022 - 18:38
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Welcome to our latest members: Riaz Unwala, Donald Ulberg, Rob Pink, Alexis Zeigler, Francesco Giglione