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 Peak Oil Election

The peak for conventional crude production arrived between 2008 and 2011. It seems that we passed the peak for "all liquids" in 2015, even though it will take some more time to be sure that an irreversible decline trend has…
This article was posted in Blogs.

Jay Forrester: the man who saw the future

Jay Wright Forrester (1918-2016) may have been the source of inspiration for Hari Seldon, a fictional character in Isaac Asimov's Foundation series. In Asimov's novels, Seldon develops "pyschohistoric equations" that allow him to predict the impending collapse of the Galactic…
This article was posted in Blogs.

Trump, Berlusconi, and the Blob

This post was published nearly one year ago on Cassandra's Legacy, on Dec 11, 2015. It didn't prophesize the election of Donald Trump, but it outlined the main elements that made his election possible. (UB)For about twenty years, Mr. Silvio…
This article was posted in Blogs.

Which Roman Emperor Would Donald Trump Be?

Comparing Donald Trump to Emperor Hadrian (76 – 138 CE) may seem ludicrous after that Marguerite Yourcenar presented him to us as a wise and enlightened emperor in her book "Memoirs of Hadrian". Yet, Hadrian found himself facing problems similar to…
This article was posted in Blogs.

Aren’t humans a little weird?

Just a little note about something I noticed a few days ago in a hotel room. Note the ubiquitous sign where they ask you whether you want to be environmentally friendly by not having your towel replaced. I don't think…
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Jorgen Randers: updating "2052"

Jorgen Randers speaking in Cambridge, 12 Oct 2016Today, in Cambridge, a meeting was held with several of the authors of the "Glimpses" that were part of the "2052" book by Jorgen Randers. The idea was to update the forecasts that…
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The Emperor and the Druid

This text was originally part of the book that I am writing, "The Seneca Effect", where it was meant to illustrate how new technologies can worsen problems, rather than solve them. Then, the book took an aspect and a structure…
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The Sower’s Way: some comments

Image: sower by Vincent Van GoghThe publication of the paper "The Sower's way: Quantifying the Narrowing Net-Energy Pathways to a Global Energy Transition" by Sgouridis, Csala, and Bardi, has generated some debate on the "Cassandra's Legacy" blog. In the paper,…
This article was posted in Blogs.