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Ronald Rovers
articles with visions, concepts and explorations about sustainability
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CO2

Continue partying, or (CO2) lockdown ?

14 april 2022admin
ipcc-22

There are actually only two options (‘scenario’s’): Either we go into CO2 lockdown, or we party on until the whole thing collapses…. The latest IPCC report makes that perfectly clear again. What we are doing now is a case of… Continue Reading →

behaviour, climate, CO2, consuming, economy, future, IPCC, lifestyle, news, policies, society, transition

Critical look at graphics illustrations.

20 maart 2022admin
grafieken

Graphs are powerful images, and unlike written assertions (“opinions”), there is often little discussion about graphs. But they also claim things, and, I notice it myself, I am more inclined to accept something from graphs than from words. Probably because… Continue Reading →

assessment, CO2, resources

Carbon storage: the land-time relation 2/2

20 februari 2022admin
1-tree-island-lone-palm-tree-on-small-island-john-lund

There are many ways you can start “accounting” for CO2 (as comments on the previous article also showed), but at the end of the day what matters are absolute CO2 emissions, from whatever activity. And cutting down a tree and… Continue Reading →

agriculture, assessment, biobased, climate, CO2, Embodied Land, forests, future, housing stock, land, landuse, materials, resources

Carbon storage in wood-timber 1/2

14 februari 2022admin
co2-protest_1372397i

Storage (binding) of CO2 in wood/timber is a hot issue at the moment*. But how should that be calculated really? Before I go into more detail, a few preliminary remarks: (the part on ‘calculating’ has been later added, and ‘CO2’… Continue Reading →

assessment, biobased, biomass, building, CO2, forests, future, land, materials, system boundaries

a CO2 budget for a municipality

29 januari 2022admin
sd-1

Slowly understanding growth that with regard to CO2, it is not so much about gradual reductions, but about staying within an absolute maximum: the Carbon budget. The maximum amount of CO2 that can still be emitted to maintain a chance… Continue Reading →

0-energy, behaviour, CO2, lifestyle, municipality, society

Corona & Climate update: the R-value of Climate

3 januari 2021admin
co2-curve-r-rovers-270320-2

There are many similarities between the Corona crises and the climate crises. But there is 1 difference: there is no vaccine against climate change, after which we can pick up where we left off. That is more or less the… Continue Reading →

climate, CO2, corona, pandemic, policies, society

2020-2040: What goes up, must come down…

21 december 2020admin
2020-firework-2b

Last year I wrote about a publication from 20 years ago, in which prominent figures looked 20 years ahead. [1] The result was not that good, the future is always more different as expected. However, a number of reactions wondered… Continue Reading →

climate, CO2, economy, future, innovation, policies, politics, society, transition

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

How to distribute the remaining Carbon budget ?

10 oktober 2020admin
carbon-paper-buildings-and-cities

A few years ago, together with colleagues Guillaume Habert from Switzerland and Thomas Lützkendorf from Germany, I started exploring the CO2 budget that was still available, and the consequences for construction. This budget of maximum remaining CO2 emissions to stay… Continue Reading →

building, CO2, housing stock, policies, politics, population, society

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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

  • 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
  • Dutch Future: Dryland and Boatland
  • Living of presents , all year round…

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Ronald Rovers

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