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Ronald Rovers
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embodied energy

Building evaluation should change 1/2

20 maart 2023admin
bouw-tek-untitled

There is a lot of discussion in the Netherlands about how to assess buildings, if you integrate material impacts in addition to energy, as well as to somehow include CO2 budgets. There is already an instrument for this, the MPG,… Continue Reading →

assessment, building, CO2, embodied energy, indicator, regulations, tools

The ‘Solar Space’, per m2 of living area 2/2

13 augustus 2022admin
schaduw-gebouwen-aerial-shadow

Since we are in an energy transition , in which we completely switch to renewable energy, the energy at building level will mainly have to come from solar energy. We assume that, the more local energy the better, and a… Continue Reading →

0-energy, assessment, embodied energy, Embodied Land, energyneutral, indicator, land, landuse, solar energy

On calculating per m2 living area ½

31 juli 2022admin
agrodome-plattegrond-hor

It is common in construction to normalize per m2 floor: such as e.g. energy, material, ventilation needs, or even costs and investments. But when it comes to the national requirements for housing in fact you should not calculate per m2… Continue Reading →

assessment, building, embodied energy, materials, system boundaries, tools

MNB1: 0-CO2 per 2030, MNB2: max 550 kg/m2

23 mei 2022admin
natuurhuis-strotec

Last week, two interesting reports were published analysing how regulations can better support ‘sustainable’ material use. Very esteemed colleagues, united in a Dutch ‘Gideons tribe’ to make the buildings sector move faster, have been working on this. [1] I can… Continue Reading →

biobased, building, circular, climateneutral, CO2, embodied energy, future, housing stock, indicator, tools

Half the agricultural land for biobased materials…

16 mei 2021admin
koolzaad4

Last week I published a letter in the Netherlands, in which I indicated that about 800,000 hectares of land would be needed for the construction of new homes. That’s how it works in a transition: We have to significantly reduce… Continue Reading →

biobased, building, embodied energy, Embodied Land, future, landuse, resources

Embodied energy data from building installations

6 december 2020admin
dscn9716

There is growing need for information of embodied energy impacts. As I argued in a Linkedin article last week: Needed: A international Embodied Energy Data Authority’.* But here I want to address the lack of data for especially installations. Mainly… Continue Reading →

building, embodied energy, materials, research, resources

Solar panels are not the solution…

7 november 2020admin
china-solar-panels-mountains

Before we hurry covering everything with solar panels, let’s reason a bit further, because since my first experiences with renewable energy, many new insights have emerged. Those first experiences I had when building a “Bicycle wheel windmill”, as described in… Continue Reading →

assessment, climateneutral, CO2, embodied energy, energy, future, money, policies, politics, resources, solar energy, solarpanels, transition

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

Recycle question: aluminium can or glass bottle?

15 december 2019admin
festival-afval-waste

What is better , a friend active in the beverage world asked, recycling aluminium cans or recycling glass bottles? Neither, I immediately replied: always reuse, and never use aluminum. As the Dutch national environmental center reports: a deposit beer bottle… Continue Reading →

aluminium, embodied energy, materials, recycling

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

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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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  • Building evaluation should change 1/2
  • Ourworldindata: on resource quantity and the energy transition
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Ronald Rovers

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