Excerpts from: Ugo Bardi. August 28, 2011. The Seneca effect: why decline is faster than growth. Ugo Bardi. July 15, 2013.The punctuated collapse of the Roman Empire. Could it be that the Seneca cliff is what we are facing, right … Continue reading Ugo Bardi: Quite likely we’ll have a fast collapse, a “Seneca Cliff”