2000-07-07 When wishing the withdrawal from nuclear energy, Germany is living in a wrong world Newspaper articles
2011-11-01 The limits to growth – Donella Meadows, Dennis Meadows, Jørgen Randers and Behrens William W. III – 1972 Societies
2024-09-12 Who am I? …modest when trying to explain something which is not obvious. One day, my oldest daughter asked me how “the first human being appeared on Earth”. Common kid question, of course….