1 Tonne per person per year. CO2 emissions. That’s where we have to go. Comparable to the R-value of Corona. If we above that, we contaminate the atmosphere too much and it becomes out of control. And it is now… Continue Reading
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
The Scottish Island Eigg, with around 100 inhabitants, for some 10 years now runs its own independent electricity network, and functions fine. (see previous article). In part 2: what now? With such a joint electricity network , which works fine… Continue Reading
What is better , a friend active in the beverage world asked, recycling aluminium cans or recycling glass bottles? Neither, I immediately replied: always reuse, and never use aluminum. As the Dutch national environmental center reports: a deposit beer bottle… Continue Reading
Urban heating, or at least the increase thereof, has been in the spotlight for some time. And the basic effects were known to me. But after hearing a lecture by Math Santamouris during a recent Conference, a whole new world… Continue Reading
Why didn’t we realize this before… Since a year or two there has been a working group of a number of collaborating researchers in Europe, under the wings of an international NGO (iiSBE) who are investigating what the ‘carbon budget’… Continue Reading
Some time ago , I was in a meeting for writing a biobased building manifest. Very interesting discussions, which were hardly ever held at the policy level. Although I get signals that the discussion about the impact of materials, as… Continue Reading
Amsterdam needs around 50,000 charging points for electric cars. 50,000? Really? Have we gone completely nuts or what? Doesn’t alarm bells start ringing: “What the hell are we doing?” Where do all these raw materials come from, and the energy… Continue Reading
Rifkin some time ago wrote about the 0-marginal cost society. The book had a lot of attention. But cost is a complete different measuring unit as energy or greenhouse gasses. A 0-marginal cost society is not the same as a… Continue Reading
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