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Ronald Rovers
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MAXergy

EROI and land use of potato crop – a pilot 1/2

25 april 2022admin
aardappeleters

In a recent project , ‘Verrijkende Landbouw’ ( Enriching Agriculture) [1], I was able to refine the theory and methodology of MAXergy, using Embodied Land as an indicator [2], thanks to a practical pilot. As follows. Agriculture needs to change.… Continue Reading →

agriculture, biomass, Embodied Land, EROI, food, labor, land, landuse, MAXergy

light pole materials compared…

30 mei 2021admin
lantaarnpaal-lichtmast-landschap

I am often amazed at the amount of lights in the built environment, which only seems to be growing. Everyone thinks they have to illuminate everything. Driveways, stairs, gardens, anything you can think of has a light on it. That… Continue Reading →

Embodied Land, exergy, land, materials, MAXergy, resources

A New Year, New chances…: ‘Homo Vermis’

28 december 2019admin
img_20190623_233026314

It is now exactly 10 years ago around Christmas that I struggled with the interpretation of ‘cycles’. Why I wondered, is everyone convinced there are two resource cycles, as promoted nowadays in whats called the circular economy? And why would… Continue Reading →

blog, circular, cycles, Embodied Land, history, MAXergy, research, society

Every agriculture hectare requires 7,7 ha input…. Embodied Land

26 januari 2019admin
pexels-free-harvest-grain-combine-arable-farming-163752

Before going into agriculture, and the available figures for it, I will briefly summarize how evaluate keeping resource loops closed. Fot this a calculation method has been developed, called MAXergy, with Embodied Land as a measuring unit. To close resource… Continue Reading →

assessment, circular, ecology, Embodied Land, exergy, MAXergy, resources, sustainable

Building wind turbines to dry laundry…?

15 april 2018admin
napels-waslijn

Do we really want a CO2-neutral society, or even a society with closed cycles? If yes, a lot will have to change and we will need to become extremely creative. And not directly with the input of a lot of… Continue Reading →

assessment, building, circular, CO2, Embodied Land, lca, MAXergy, resources, society, solar energy, tools

The real capital is : Land

21 januari 2018admin
bad-blumau-aereal2

Henri George, during the end of the 19th century, was a renowned thinker and writer. His central theme was Land. He saw land as a vital good, to give everyone a basis to live from. But he also saw that… Continue Reading →

assessment, circular, economy, Embodied Land, future, MAXergy, society

Labor 2/2: a manually constructed aqueduct still interesting…

13 februari 2017admin
portugal-aquaduct

Labor, as argued in the previous blog, is a often neglected energy factor. [1]Which might seem not that important , given the immense quantities of energy that we require for our society. Nevertheless, its interesting to give it a try… Continue Reading →

blog, building, circular, embodied energy, Embodied Land, MAXergy, resources, solar energy

Growing Fossils: “Embodied Land”

11 februari 2016admin

Now and then there is debate about the land use of energy generation, usually around renewable energy. But these are often only addressing the direct ‘ visible’ land use and efficiencies; For instance: A energy Atlas in the Netherlands counts… Continue Reading →

blog, Embodied Land, energy, MAXergy

Happy New Year 2023 !

Form Follows Fysics - reinventing the built environment (2021)
People vs Resources - restoring a world out of balance (2019)
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ABOUT

Independant researcher, speaker, writer , thinker,
main focus: closing resource cycles

interview in national newspaper 2022 (English translated): 6 limitations in sustainability

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most recent blogs

  • Building evaluation should change 1/2
  • Ourworldindata: on resource quantity and the energy transition
  • Europe: looking for a climate proof housing location
  • EU: No Net land Take ?
  • Governments – where lies your responsibility ?
  • Where to build, and where not to build (in NL)
  • The world of Babel (2)
  • The World of Babel
  • Trees versus humans
  • Not a CO2 focus, but a Post-Fossil focus
  • Is Art innocent…? and what about Musk or Putin?
  • Which books to read, and which to avoid…. (Non fiction…!)
  • Where to buy 1 ha of sea …
  • Forget tech-optimism…
  • Shame

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Ronald Rovers

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  • ron_rovers RT @j_vollenbroek : De meeste Nederlanders zijn vóór het doorzetten van een stevig stikstofbeleid. De uitgesproken tegenstanders van het sti…

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  • ron_rovers @Platform_M3 Zie ook voorproefje deel 2 als opinie in cobouw.. https://t.co/Vry12u4qJW

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  • ron_rovers the summary of the summary. No words needed https://t.co/Tgqzx2g9aB

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  • ron_rovers We moeten af van #LCA . Is te vaag en niet effectief. Laten we gaan voor #BENG 4 en 5: een maximum aan #embodied e… https://t.co/PWn5lycTiW

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  • ron_rovers RT @CobouwNL : Als duurzaamheidsvergelijkingen in geld gemaakt worden, weet je al bij voorbaat dat je belazerd wordt https://t.co/mSF7foc5QW…

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