Our kitchen was far gone. Much damage, doors were crooked, still cooking on gas, a tile floor with pits, etc. so something had to be done. You can still cook there, its not that we are condemned to raw food,… Continue Reading
It is intriguing how the world fundamentally works, with its cycles, driven mainly by solar energy. Which can be traced back mainly to the yields of land, as I found out earlier. [1,2] (Land that has virtually disappeared from economic… Continue Reading
There is a lot of discussion, how to ‘fight’ climateheating. Especially now, with massive investments in the economy. But what is clear, is that every sector has to make its contribution, to become carbon emissions free. Every sector? Yes. We… Continue Reading
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
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
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
Someone suggested recently to think about a new money standard. Well, thats a challenge, so I did. Since money is a virtual unit of trade, not based on any actual value. Not anymore, at least, since we left the barter… Continue Reading
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
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