We can develop beautiful so-called scientific methods to calculate all the effects of our impact, but in the end only two data are relevant: energy and material use, and the rest is derived from that: all emissions, to air or… Continue Reading
At the end of the summer season, some thoughts that came up while practicing ‘doing nothing’ on camping. And I had to think of an always nice comparison with cars: the weight of the car versus the weight of the… Continue Reading
In recent years I was a Fellow of the Technical University of Eindhoven, more precisely working with the Building Physics department, in particular with Prof. Wim Zeiler, Installation Technology. And we had interesting discussions, because we strive for the same… Continue Reading
Just recently, in May, Jaime Lerner passed away. He more or less invented sustainable urban development. A little tribute. Everything has to be sustainable or circular these days, including the cities. Now, is there a city that has already applied… Continue Reading
Everything is renewable – classification after growth rate – renewal time, flow rate . As a result of some recent projects new insights developed over resources, that any resource is renewed. Its only a matter of time. But that implies… Continue Reading
I recently was triggered a few times by the term: ‘Energy Poverty’ in all kinds of reports and tweets [1-4] . Usually referred to as having little access to oil, gas and coal, in what is then called the poorer… Continue Reading
What I feared was confirmed: Bill Gates’ new book is a noncommittal plea for innovation, technology and economic growth. Sold as providing the ultimate solutions to our climate crises, the book doesn’t get much further than measures we already know… Continue Reading
I am often amazed at the amount of lights in the built environment, which only seems to be growing. Everyone thinks they have to illuminate everything. Driveways, stairs, gardens, anything you can think of has a light on it. That… Continue Reading
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
The Species vs the Individual, in the Built Environment? The Corona lockdown and approach continues to surprise: both in what the government does and how people deal with it. What is particularly striking in this phase of Corona is the… Continue Reading