• Home
  • About
  • BOOKS
    • book Form Follows Fysics
    • book People vs Resources
      • BOOK-references
      • Book-notes
      • BOOK-reactions
  • Masterclasses
Ronald Rovers
articles with visions, concepts and explorations about sustainability
Menu Close
  • Home
  • About
  • BOOKS
    • book Form Follows Fysics
    • book People vs Resources
      • BOOK-references
      • Book-notes
      • BOOK-reactions
  • Masterclasses

assessment

Forgot 1 SDG (11) : Calamity proof cities

21 maart 2021admin
sdg-11-hor2

Last time, I even forgot one goal: Sustainable development Goal 11, Sustainable cities. Again, the question: what is sustainable? So much has been brought together under that heading, all nice things for people, that it does not really help us… Continue Reading →

assessment, future, policies, smartcities, urban

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

Electric cars : the broader story

27 september 2020admin
old-timer-elektrisch-2

Researchers and other involved parties are regularly at odds with each other: does buying an electric car compared with a fuel driven car reduce CO2 emissions or not. A few weeks ago, another such investigation was in the news. [1]… Continue Reading →

assessment, CO2, materials, mobility, policies, system boundaries, transport

biomass for energy? (not) again… 2/2

11 mei 2020admin
img_20181213_122706691

Biobased resourcing is hot. Which is understandable, of course, they grow by themselves, (its solar energy), they capture CO2, require little energy to process, and know multiple uses. You can built with then, heat, or create high-value resources, like in… Continue Reading →

assessment, biobased, bioenergy, biomass, building, CO2, energy, materials, policies, resources, 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

Let nature do the work… EROI in agriculture

26 augustus 2019admin
voedselbos

A few months ago I wrote about agriculture, and that the EROI was 0.16: 1 (energy return on (energy) investment) – on average across all agricultural products in the Netherlands, and the EL (Embodied Land) no less than 7.7 ha-year… Continue Reading →

agriculture, assessment, CO2, Embodied Land, EROI, resources, transition

Building without heating: more material or more installations?

1 juni 2019admin
2226-dscn7090-2

Last month I finally visited the ‘2226’ office in Austria near Bregenz. The building, realized about 4 years ago, already won many prizes. What is special about this building: it has no heating system, and in fact no ventilation system,… Continue Reading →

architects, assessment, blog, building, CO2, embodied energy, energy, materials, resources

Every agriculture hectare requires 7,7 ha input…. Embodied Land

26 januari 2019admin
pexels-free-harvest-grain-combine-arable-farming-163752

Before going into agriculture, and the available figures for it, I will briefly summarize how evaluate keeping resource loops closed. Fot this a calculation method has been developed, called MAXergy, with Embodied Land as a measuring unit. To close resource… Continue Reading →

assessment, circular, ecology, Embodied Land, exergy, MAXergy, resources, sustainable

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

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

Post navigation

← Older Articles

NEW BOOK:

Form Follows Fysics - reinventing the built environment
cover

book page

ABOUT

.....its materials, stupid..! ...................
Independant researcher, & Fellow Technical University Eindhoven, fac. Built Environment
.
Speaker, writer , thinker, researcher : main focus: Zero impact built environments
office: www.ribuilt.eu

Thinking:

" If sust solutions are too expensive, not the solutions is wrong but the pricing economy! "

search

register for new blog mail

email*

most recent blogs

  • Corona, the built environment, & The Species vs the Individual
  • On books: Tip 1: don’t buy Bill Gates’ book.
  • Forgot 1 SDG (11) : Calamity proof cities
  • The UN SDG’s adapted for rich countries…
  • Experiences with a new ‘prefab’ kitchen…
  • Land, between heaven and earth
  • Climate neutral Rugby…
  • 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 ?

categories

  • 0-energy
  • agriculture
  • aluminium
  • architects
  • architecture
  • assessment
  • autark
  • autartic
  • bamboo
  • behaviour
  • biobased
  • bioenergy
  • biomass
  • blog
  • book
  • building
  • capital
  • circular
  • climate
  • climateneutral
  • CO2
  • comfort
  • commons
  • corona
  • cycles
  • ecology
  • economy
  • embodied energy
  • Embodied Land
  • energy
  • energyneutral
  • EROI
  • exergy
  • food
  • forests
  • future
  • history
  • housing stock
  • innovation
  • island
  • labor
  • land
  • landuse
  • lca
  • lifestyle
  • materials
  • MAXergy
  • mobility
  • money
  • news
  • nZEB
  • pandemic
  • people
  • policies
  • politics
  • population
  • prefab
  • recycling
  • research
  • resources
  • retrofit
  • smartcities
  • society
  • solar energy
  • solarpanels
  • sustainable
  • system boundaries
  • technology
  • tools
  • transition
  • transport
  • urban
  • value
  • video
  • wind energy

In the mean time …

Ronald Rovers

ron_rovers

  • ron_rovers @JWvdGroep precies. hij laat het mooi zien in 2 sheets, als we 2 miljard nieuwe aardbewoners van een woning moeten… https://t.co/adMbMUgVzT

    19 uur . reply . retweet . favorite

  • ron_rovers RT @JWvdGroep : Prof. Hans-Joachim Schellnhuber over de gebouwde omgeving als opslagplaats van Koolstof en hoe de koolstofcyclus werkt. Sla…

    19 uur . reply . retweet . favorite

  • ron_rovers @Plushuis @Platform_M3 @HollandHoutland minerale wol is gezondheidsprobleem. (vezels) Ik ken de ins en outs van b… https://t.co/idwvvutSV0

    3 dagen . reply . retweet . favorite

  • ron_rovers RT @dobbelska : Klimaatactie, keiharde klimaatactie. https://t.co/xZZUqoTAzo

    3 dagen . reply . retweet . favorite

  • ron_rovers @Plushuis @Platform_M3 @HollandHoutland doe dan gelijk alle minerale wol in de ban...

    3 dagen . reply . retweet . favorite

join the conversation
By: Web Design
© 2021 Ronald Rovers. All rights reserved.
Fashionista by aThemes
  • Nederland
  • United Kingdom