Ugo Bardi

Ugo Bardi teaches physical chemistry at the University of Florence, Italy. He writes on sustainability, peak oil, climate change, resource depletion and other subjects related to sustainability on his blog "www.cassandralegacy.blogspot.com"

Recent Articles

Oil Drilling: another Seneca Cliff

The concept of an impending "Seneca cliff" seems to be making inroads in the debate, even though it may not be given that name. For example, watch the animation above on "Bloomberg.com"(h/t Joe Smith of the Doomstead Diner)…

Farewell, Mr. Spock!

Samantha Cristoforetti, presently orbiting around the earth, pays homage to Leonard Nimoy and to his Spock character by making the "Live Long and Prosper" sign with her handThank you, Leonard Nimoy, for the character of First Officer Spock that you…

Peak Movies

Roger Ebert at the Doomstead Diner has published a post inspired by a previous post of mine on the decadence of literature in the Western Civilization. I thought I could reproduce the beginning of it, here. Peak Movies: 1968 Filmography Published…

Overshoot

The many comments appearing all over the Web for the death of William Catton , the author of "Oversoot", show how deep the impact of this book was on many of us. "Overshoot" was part of that wave of books and…

Sandeels: another Seneca cliff

Image from http://www.climateandfish.eu/default.asp?ZNT=S0T1O-1P192Once you start looking for "Seneca Cliffs" in the exploitation of natural resources, you find them all over the scientific literature. This is my latest find of a production curve where decline is much more rapid than growth:…

Lost Dreams

Marcus Kracht alerted me of this recent post of his after he had read my post with a similar title, "Where have our dreams gone?". So, I am publishing it here with his kind permissionThe bear went over the mountain,The…