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

The Tao of electric vehicles

“A journey of a thousand miles begins with a single step” (Lao Tzu, the Tao Te Ching)Myself ad my sweet wife, Grazia, on an all-electric, battery powered motorcycle. No pollution and no noise, and recharging it with my solar panels… [more]

Happy Easter, everyone!

For the Easter of 2014, let me repropose my post on the dynamic modelling of the Easter egg hunt which, for some reason, has been the most successful post ever to be published (in 2012) on the former “Cassandra’s Legacy”… [more]

My view on climate change

After my resignation as editor of “Frontiers” in protest over their retraction the paper “Recursive Fury,” dealing with the attitude of climate deniers, I received plenty of support but also a lot of the usual pseudo-scientific criticism on the question… [more]

My view of the climate change problem

After my resignation as editor of “Frontiers” in protest over their retraction the paper “Recursive Fury,” dealing with the attitude of climate deniers, I received plenty of support but also a lot of the usual pseudo-scientific criticism on the question… [more]

Resource crisis ("Extracted" no more)

The blog “Extracted”, formerly “Cassandra’s Legacy,” changes name today to “Resource Crisis”. I apologize for flip-flopping in this way: it was just a few weeks ago that I had changed the name to “Extracted”. Unfortunately, I found that “Extracted” had… [more]

The West and Russia: a tit for tat game

Guest post by Tatiana YugayTatiana Yugay teaches world economy, international economic relations, and economic theory at the Moscow State University of Economics, Russia. You may also interested in visiting her blog “Santatatiana” where she describes her travels in search for… [more]

Cassandra changes name

In almost five years on the Web, “Cassandra’s legacy” had a reasonable success, reaching an average of some 30,000 page views per month and a total of about 850,000 page views. But, as you see from the figure, in the… [more]

Depletion is winning

EROI of different fuels and the implications for societyCharles A.S. Hall, Jessica G. Lambert, and Stephen B. BaloghEnergy Policy, Volume 64, January 2014, Pages 141–152″The decline in EROI among major fossil fuels suggests that in the race between technological advances… [more]

Climate change for engineers

Last week, I was giving a seminar to a group of engineering students. Everything was fine, but when I started discussing climate change, a discussion ensued which I think is worth reporting here. The question. Professor, it is all right that… [more]

The curse of flame wars

From ZeroHedgeWhy Trolls Start Flame Wars: Swearing and Name-Calling Shut Down the Ability to Think and FocusSubmitted by George Washington on 02/25/2014 11:53 -0500SharePsychological studies show that swearing and name-calling in Internet discussions shut down our ability to think. 2… [more]