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Ronald Rovers
articles with visions, concepts and explorations about sustainability
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0-energy

Solar panels: ≤ 1m2 PV per m2 floor …

26 oktober 2020admin
20200919_145358

As we want to get rid of fossil fuels, we will at least have to develop everything now without fossil fuels. And in any case the operational energy. In the case of new buildings this leads to “0-energy buildings”, which… Continue Reading →

0-energy, architecture, climate, climateneutral, CO2, embodied energy, energy, energyneutral, materials, nZEB, resources, solar energy, solarpanels, transition

Autartic living: living with the seasons

13 april 2020admin
autark-slowcabin

Now that Corona has us tight down, we see that countries are being thrown back on themselves. Local production of medicines and protective clothing is being started up, and there is growing belief that we need to arrange much more… Continue Reading →

0-energy, autark, autartic, building, island, transition

So I went to Eigg, Scotland… 1/2

22 februari 2020admin
img_20190919_110213272

So I went to Eigg. I had already heard about it, and also wrote about it, on the basis of information collected at a distance. But I wanted to know what was really behind it, and why it had happened.… Continue Reading →

0-energy, climate, energy, island, society, transition

Retrofitting houses: from object approach to a source approach 2/2

9 februari 2020admin
roermond-water1

In the Netherlands most houses are heated by natural gas, but now we want to phase out that gas heating. Which of course is in principle easy: just close the tap, which is in the gas-fields in the North of… Continue Reading →

0-energy, climate, CO2, exergy, housing stock, policies, retrofit, transition

Retrofitting houses: Stock focus needed, not a housing focus. 1/2

27 januari 2020admin
Woonwijk 't Hul in Nunspeet tijdens de herfst. ID6756

The Co2 emissions of our housing stock needs to brought to 0. And in the Netherlands we have the target to become natural gas free as well , and even sooner. Plans how to act are launched one after the… Continue Reading →

0-energy, CO2, housing stock, policies, retrofit

New construction must comply with regulations 2050!

4 oktober 2019admin
carbon-budget-6

Why didn’t we realize this before… Since a year or two there has been a working group of a number of collaborating researchers in Europe, under the wings of an international NGO (iiSBE) who are investigating what the ‘carbon budget’… Continue Reading →

0-energy, biobased, building, CO2, embodied energy, future, housing stock, materials, retrofit, transition

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

A 0-marginal resource society does not exist

21 juni 2019admin
1260-car-718781-mass-production

Rifkin some time ago wrote about the 0-marginal cost society. The book had a lot of attention. But cost is a complete different measuring unit as energy or greenhouse gasses. A 0-marginal cost society is not the same as a… Continue Reading →

0-energy, circular, economy, exergy, labor, materials, resources, society, transition

How many Windmills…? : The WindMill Index

15 oktober 2018admin
windmolen-index2

I frequently run into the dilemma that we, in the ‘energy-intensive world’, want to switch to a sustainable approach, and want to switch to renewable energy sources, but that we absolutely do not want to give up anything of our… Continue Reading →

0-energy, energy, wind energy

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

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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:

Question that should be asked for all so called sustainable solutions: Can we multiply these for 7-9 billion people?

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!
  • 2020-2040: What goes up, must come down…
  • Embodied energy data from building installations
  • land (-potential) as the new money standard
  • Solar panels are not the solution…
  • Solar panels: ≤ 1m2 PV per m2 floor …
  • How to distribute the remaining Carbon budget ?
  • Electric cars : the broader story
  • Throwing money around….
  • Living from 2 hectares, and not even that…
  • 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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    Ronald Rovers

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    • ron_rovers @Platform_M3 @JWvdGroep @HollandHoutland @Nschotte Sterk verhaal. Argumenten snijden hout. Verhaal klopt. We moeten… https://t.co/MjYiYNBWGu

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    • ron_rovers RT @keithalexander : “Trees are not negative emissions”

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    • ron_rovers @MaxCRoser I woud burn it , to prevent further damage.. https://t.co/xPzxdX3l8p

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    • ron_rovers @zjosdekker In the servitude of power. Vooral eerste deel tot aan industrieele revolutie is brilliant

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    • ron_rovers @mayaVirg Data centers verbruikten in 2019 meer als alle ofshore windmolens. Dus alleen nieuw en extra gebruik word… https://t.co/hRshhJeqyl

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