True Price: Roefie Hueting was right

It strikes me that so many aging, i.e. retired people, attend sustainability conferences. Youngsters are present but mainly on behalf of their employers. Elderly people have been engaged in other sectors and now concentrate on sustainability issues. Quite enthusiastically. And … Read more

Oxfam still much too harsh

I had looked forward intently to the report that Oxfam in the Netherlands (Oxfam Novib) would publish on 26 November, which would justify its campaign against European biofuel policies. They said, this would ‘conclude clearly’ that the economic and political … Read more

Growth?

Our world is founded on growth. As soon as economic growth slows down, alarm bells start to ring: pensions are in danger, or employment rates. Even the richest economies in the world, like ours, stay on the course of growth, … Read more

Gunter Pauli and the ‘Blue Economy’

The interesting thing about festivals like Springtij at Terschelling is, that out of the blue you run into people with a completely new line of thinking. Someone like Gunter Pauli, who invented the ‘Blue Economy’ concept, because the ‘Green Economy’ … Read more

Selective usage

A recent report by the German Academy of Sciences Leopoldina (discussed here on the 10th of august by Diederik van der Hoeven) argues in favour of selective energetic usage of biomass. That is good advice. Photosynthesis is beautiful but its … Read more

Why it is so hard to sell sustainability

Sustainability is a difficult subject. Many conversation partners are willing to accept that mankind pursues activities which endanger the planet, ecosystems, future generations, plants, animals. But they have a hard time accepting that human activities, worse: human thought, will have … Read more

Debrief Rio+20

Disappointment and resolve. Those were the general feelings in the Rio+20 debrief meeting, July 19 in The Hague. Disappointment because results had been meagre: merely the affirmation of previous agreements, without emphasis on their importance. As Kitty van der Heijden, … Read more

An avalanche on wheels

Having been the owner of a little house in the French campagne, visited each year, I had not been in the mountains for some twenty years. But finally we went there. Somewhere in the French Alps, near Morzine, we were … Read more

Phosphate and soil carbon

High yields generally require sufficient fertilizer, e.g. phosphate. Phosphorus is an element essential to plant growth. But whereas nitrogen fertilizer is synthesized, the only way to produce fertilizer containing phosphorus, is to mine it as phosphate. World phosphate resources are … Read more

First versus second generation

In the biofuel debate, it important to distinguish first and second generation technologies. First generation technologies produce biofuel from edible feedstock like starch (from maize), sugar (from sugar cane) or rape seed oil. Second generation technologies produce biofuel from wood … Read more