Categorie: sustainable

The UN SDG’s adapted for rich countries…

In recent years we have seen the Sustainable development goals of the UN appear more and more often as a stepping stone for all kinds of initiatives. [1] And that, however well-intentioned, is not always a good thing. I wrote before, along with others, that there should be a certain…

Continue Reading The UN SDG’s adapted for rich countries…

Biomass (-growth) is our reference : Back to the forests

By now its obvious: the way we are currently dealing with climate, environment, raw materials, food, biodiversity, will not help us prevent disasters. But what then? The struggle and discussion on solutions is in full swing currently. Just look at the energy transition. We do not want fossil fuels anymore:…

Continue Reading Biomass (-growth) is our reference : Back to the forests

Climate case shows: A 4th power is needed: a ‘Tetra politica’

Society faces an immense problem, preventing catastrophic climate change in order to save itself. Which requires a huge turnaround, and choices in what can and can’t be done any longer , and all that very fast, we only have a few years to make those choices and start conjuring, to…

Continue Reading Climate case shows: A 4th power is needed: a ‘Tetra politica’

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

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 cycles, or to keep them closed, a number of conditions…

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

Lowering building impact

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 our construction and consumption drive? Earlier I wrote that the…

Continue Reading Lowering building impact

The kWh/m2 and the kgh/m2 1/2

Strange, really, that calculating in kWh seems normal for everyone. Especially in this time, because kWh does say nothing about the origin of the energy, which can be anything, from labor, wind turbines, or coal to nuclear energy. Currently it is an important measure of energy use in buildings, the…

Continue Reading The kWh/m2 and the kgh/m2 1/2

Technology : from fuel-tech to human-tech, and to Bionology…?

Policies, (financial-) economy , technology, religion, and even science to some level, are all human thought up constructs, that are not grounded in physical reality, but in human perception of life and how to live it. There is no natural law that has to be followed, they all can be…

Continue Reading Technology : from fuel-tech to human-tech, and to Bionology…?

Cuba: Back to the Future 2/2

So I went to Cuba, to to experience this type of society with my own eyes, and before it would be spoiled by tourism from the USA. In my lectures I regularly compare countries, and Cuba always comes forward as a very good scoring country, in terms of human and…

Continue Reading Cuba: Back to the Future 2/2

Cuba, a blueprint for the future ? 1/2

Cuba has fascinated me since my youth. Of course, in the sixties and seventies as collective resistance against capitalism and imperialism. On one side I was attracted to the ideas behind the revolutions, on the other side I was a pacifist, refused to join the army, and such things. It…

Continue Reading Cuba, a blueprint for the future ? 1/2

increasing life expectation: decreasing environmental performance …

A lot has been said and published about the energy and material impact of houses. What usually stays out of sight is the inhabitant. And I do not mean his behavior, but his ‘being’ , his need over the years for shelter. The environmental impact is in the end a…

Continue Reading increasing life expectation: decreasing environmental performance …