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Ronald Rovers
articles with visions, concepts and explorations about sustainability
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retrofit

Avoiding CO2 lock-down: learning from corona

31 maart 2020admin
corona-curve-clean1

(this text was send as an open letter to the installations industry , media and policymakers, on 26 March 2020) What is happening around the corona virus today, is understandable and needed, health is paramount. Let that be clear. But… Continue Reading →

climate, CO2, housing stock, news, policies, politics, retrofit, 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

m2 living per capita in Europe, and consequences

24 februari 2019admin
m2-pp-and-solar-potential-europe-new

It sometimes seems that the built environment, and the adjustments to achieve a sustainable society, are of the same nature everywhere. But that is by no means the case when we zoom out, to Europe for example. There should be… Continue Reading →

building, climate, energy, housing stock, retrofit, solar energy, urban

ZEB house retrofit: less PV instead of more ! *

31 mei 2017admin
co2-2-hurricane

As I wrote more often, the Netherlands is focused on developing zero energy retrofits. Most of these initiatives address the whole house, packed in thick prefab elements, and powered by PV panels for the ( reduced) heating demand plus the… Continue Reading →

0-energy, building, CO2, resources, retrofit, solar energy

Retrofit Europe’s houses is ‘end of pipe approach… ‘ ( for CO2)

25 februari 2017admin
europe pipelines

It started dawning, the past weeks, as I was listening to some presentations on several events I visited. Have you ever wondered what in fact it means, renovation or retrofitting houses and buildings for 0-energy performance? A focus on operational… Continue Reading →

0-energy, biobased, blog, embodied energy, retrofit

Happy New Year 2022 !

Form Follows Fysics - reinventing the built environment (2021)
People vs Resources - restoring a world out of balance (2019)
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main focus: closing resource cycles
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most recent blogs

  • A ‘ New Bauhaus’ ? Or Solar Decathlon ?
  • MNB1: 0-CO2 per 2030, MNB2: max 550 kg/m2
  • From EROI to EROLI: energy return on Land investment ? 2/2
  • EROI and land use of potato crop – a pilot 1/2
  • Continue partying, or (CO2) lockdown ?
  • Critical look at graphics illustrations.
  • The Bionological House
  • Carbon storage: the land-time relation 2/2
  • Carbon storage in wood-timber 1/2
  • a CO2 budget for a municipality
  • Environment and climate checklist for journalists
  • Change, back then and now
  • the creating-debtors-theory of money…
  • The future country of the Netherlands
  • Golf – the decadence in our use of space

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