Author Archives: Marco Janssen

The tragedy of a common currency

The current crisis of the Euro emphasizes some basic lessons from the study of resilience of dynamic systems. Attributes of complex systems that enhance resilience are diversity, redundancy and modularity. There is a cost of maintaining resilience. The decision to … Continue reading

Posted in General, Reflections | Tagged , , , , | 2 Comments

How humans affected the climate system for 8000 years

William F. Ruddiman pose an interesting hypothesis by arguing that humans have had a measurable impact on the climate system for 8000 years. In his book “Plow, Plagues and Petroleum”, the emeritus environmental science professor shows interesting anomalies in the … Continue reading

Posted in General | 1 Comment

Success through failure

Henry Petroski wrote a wonderful book ‘Success through failure’ on the importance of failures in the design of successful projects, buildings, policies etc. Petroski is a professor in civil engineering and history at Duke university. The book stress the importance … Continue reading

Posted in General | 1 Comment

Interactive agroecological story

A nice interactive game on solving dilemmas between different stakeholders can be found at http://www.alwayssunny.com/lab/lindissima/.  The game is a simple-minded and optimistic story which is used as an excercise for people to learn the basics about scenario simulation, dynamical adaptive systems, sustainability attributes, multicriteria analysis, among others.  In the … Continue reading

Posted in Gaming | 1 Comment

A failsafe solution for world food supply?

New Scientist of January 12, report on an initiative of the Norwegian government to create a large concrete room, hewn out of a mountain on a freezing-cold island just 1000 kilometres from the North Pole, to hold around 2 million … Continue reading

Posted in Big Back Loop, General | 2 Comments

Robustness of the Internet

John Doyle and his colleagues published a very interesting paper on the structure of the internet and its implications for robustness. It is a popular belief that the structure of the Internet follow a scale free distribution of the number … Continue reading

Posted in Design, General, Networks | Leave a comment

What does it mean to be human in the 21th century

Earth and Sky radio asked 50 prominent scientists on their opinion what it means to be human in the 21th century? Increasingly ecological and social processes are connected at different levels of temporal and spatial scales. This has consequences on … Continue reading

Posted in General | 1 Comment

Parks and People in Africa

New Scientist has an interview with Paul van Vlissingen who is the largest private parks operator in Africa. Interesting is his focus on the importance of integrating the people and the park: No park will survive in the long run … Continue reading

Posted in General | 1 Comment

Collapse Exposition

The National History Museum of Los Angeles County has an exposition Collapse? running until January 17, 2006, inspired by the book Collapse: How Societies Choose to Fail or Survive by Jared Diamond. See also the post Partha Dasgupta vs. Jared … Continue reading

Posted in General | Leave a comment

Why the emu’s survived the human occupation

In the July 8 edition of Science an interesting study is presented by Miller et al. (2005) and commented by Johnson (2005) on the impact of human activities. Around 45,000 years ago, the human started to occupy Australia, and like … Continue reading

Posted in General, Reorganization | 2 Comments