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Ronald Rovers
articles with visions, concepts and explorations about sustainability
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Embodied Energy emissions is now, not in 2050 !

8 september 2019admin
ee-graph1

This is an extended version of a previous post on linked in, which had a lot of reactions.. {april 2019}   When it comes to Embodied Energy, we are used to normalize this over the lifespan of a building (… Continue Reading →

0-energy, assessment, CO2, embodied energy, system boundaries, tools

Circular cities..? Real time material flows for London

11 februari 2019admin
dscn6285

Since it looks as if we are going to introduce the climate measures for buildings mainly via municipalities or cities, I have recovered some of my older research material about urban sustainability, developed when I worked at Wageningen University. The… Continue Reading →

architecture, building, circular, Embodied Land, materials, politics, resources, smartcities, system boundaries, tools, urban

Lowering building impact

30 oktober 2018admin
logos-tns-oneplanet-lbc

How are we going to ensure that buildings will be sustainable, that is to say, with the least impact on the environment, concerning raw materials depletion, loss of biodiversity and, above all, CO2 emissions as the most urgent effect of… Continue Reading →

assessment, building, CO2, Embodied Land, sustainable, tools

From Tetra Materia, to Trias eXergetica 2/2

22 september 2018admin
trias-exergetica3

The Tetra Materia (see previous article) approach might be useful for practice, its not the whole story. It guides direction, but does not set targets. And our system has an overall limit as well. Materials, even renewables, come exclusively from… Continue Reading →

circular, energy, exergy, materials, resources, system boundaries, tools

From Trias Energetica, to Tetra Materia. 1/2

9 september 2018admin
trias-ecologica-cover-kl4-white

The Trias Energetica is one of the generic guidelines that has a wide adoption in the Netherlands since the nineties: it states that, in order of importance: 1 reduce energy demand, 2 use renewable energy 3 use fossil fuels as… Continue Reading →

0-energy, biobased, building, embodied energy, energy, materials, tools

The kWh/m2 and the kgh/m2 1/2

27 april 2018admin
weigh-house

Strange, really, that calculating in kWh seems normal for everyone. Especially in this time, because kWh does say nothing about the origin of the energy, which can be anything, from labor, wind turbines, or coal to nuclear energy. Currently it… Continue Reading →

architecture, biobased, building, embodied energy, energy, materials, resources, sustainable, tools

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

Circular part 3: “ReStore”: Circular Energy

16 juli 2017admin
ce-system2

So how could you do that, restoring minerals or metals? It happened that last week I was participating in the “Exergy, LCA & sustainability conference, ELCAS, 5th edition, originating from a EU COST project. And I presented a paper (with… Continue Reading →

assessment, circular, embodied energy, Embodied Land, energy, resources, tools

Circular part 2: resource racism

9 juli 2017admin
resource-racism

(below is a improved English text compared to the first one published. Thanks to (editing by) Simon McGuinness..!) The circular economy, is about closing production cycles, is it not? So, it is about restoring the original stock. Otherwise the resource… Continue Reading →

assessment, biobased, circular, Embodied Land, materials, recycling, resources, tools

With current building evaluation tools, CO2 reduction is out of sight

4 juni 2017admin
wsbe17

The Netherlands, as one of the first countries in the world, will have a mandatory material performance requirement for new buildings. Which is unique, after 25 years of pushing and trying. There will be a set ambition, though very low… Continue Reading →

0-energy, assessment, building, CO2, tools

Now Available !

NEW BOOK:
PEOPLE vs RESOURCES - restoring a world out of balance.

Sneak preview: Book page

cover

isbn : 978-94-6301-255-3

Order via https://eburon.nl/en/product/people-vs-resources/ or amazon or other.

Thinking:

Beware of “sustainable material” or “sustainable technology”: they are non-existent, only the use can be sustainable.

ABOUT

.....its materials, stupid..! ...................
Speaker, writer , thinker, co-Founder iiSBE , consultant, researcher : main focus: Zero impact built environments The Netherlands
.
office: http://www.sustainablebuilding.eu/
MAXergy / assessment: www.maxergy.org
twitter: @ron_rovers
.
RONALD ROVERS:
.
chair and organiser 1 st World conference Sustainable Building (SB2000, Maastricht)
.
co-founder iiSBE, International NGO: int.initiative for Sustainable Built environment
.
honorary member of the Chinese academy for Science and Technology, Wuxi, PRChina
.
guest lecturing, in several Europen universities
.
Book: Sustainable Housing, a conceptual approach , R.Rovers 2006 ISBN: 978-90-8594-020-3

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most recent blogs

  • Corona & Climate update: the R-value of Climate
  • Wish you a Better New Year!
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  • Embodied energy data from building installations
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  • Solar panels are not the solution…
  • Solar panels: ≤ 1m2 PV per m2 floor …
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  • Biomass (-growth) is our reference : Back to the forests
  • A acute CO2 lockdown: When could that happen….2/2
  • CO2 lockdown-continued: 1 tonne CO2
  • Annex added concerning Graz declaration

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