Ugo Bardi (University of Florence), speaks at the 50th Anniversary Summit of the Club of Rome, October 2018.

Toward a General Theory of Societal Collapse. A Biophysical Examination of Tainter s Model of the Diminishing Returns of Complexity – In this paper, we present a simple biophysical model which we link to the concept that societies collapse because of the diminishing returns of complexity proposed by Joseph Tainter. https://arxiv.org/abs/1810.07056

• Source https://www.facebook.com/clubofrome/videos/781049835559853 and https://50thclubofrome.com
• Teaser image by Hubert Robert https://commons.wikimedia.org/wiki/File:Hubert_Robert_-_Landscape_with_the_Ruins_of_the_Round_Temple,_with_a_Statue_of_Venus_and_a_Monument_to_Marcus_Aurelius.jpg
• See also, Seneca the Younger https://en.wikipedia.org/wiki/Seneca_the_Younger