Ugo Bardi's Blog

Professor of Chemistry, Analyst

Ugo Bardi teaches physical chemistry at the University of Florence in Italy. His scientific interests are mainly in socioeconomical models of resource management, with a special view on fossil fuel depletion and on the development of renewable energy. He is member of the editorial board of "The Oil Drum," a web site dedicated to energy resources; he is member of the scientific committee of ASPO (association for the study of peak oil), president of the Italian section of ASPO, member of the scientific committee of the "Climalteranti" group, an association of Italian climatologists. He has published two books on oil depletion (in Italian) and he is completing the forthcoming book The Limits to Growth Revisited, which will be published by Springer. He is also interested in the connection of modern science with the classical world and has published one book on the ancient myth of the Etruscan Chimera (in Italian) as well as articles on the decline of the Roman Empire. Ugo Bardi is an Italian citizen, born in Florence in 1952. He is married with Grazia and they have two children (rather grown ups by now). They live on the hills of Fiesole, near Florence.

Renewable Energy: Does It Need Critically Rare Materials?

Renewable energy, by definition, is inexhaustible or, at least, it can tap the sun's energy for times that can be considered infinite from our viewpoint. However, renewable energy doesn't live of sun alone. It needs metals, semiconductors, ceramics and more.

Unleashing the Oil Weapon Against Russia: How to Destroy a Great Empire

Do you remember the old Soviet Union? Dubbed as "The Evil Empire" by Ronald Reagan in 1983, it disappeared in a puff of smoke in 1991, crushed under a mountain of debts. The origins of the financial collapse of the Soviet Union are rather well known: it was related to the fall of the oil prices which, in 1985...

The Physics of Money

There is a question that has been nagging me for years: why do we keep in our pockets both paper money (banknotes or bills) and metallic coins? It wouldn't be difficult to write higher numbers on coins just a little bit larger than the ones we use today.

Is Peak Oil Dead?

We live in a world where scientific evidence is trashed by ideological opinion, where people who learn from experience are accused of being flip-floppers, where changing one's mind on the basis of new data is seen as admitting one's lack of moral fiber. The debate on peak oil is no exception...

A Grand Plan to Save Italy from Collapse

Yesterday, Mr. Angelino Alfano, leader of the "People of Freedom" (PdL) party, publicly presented a plan aimed at saving Italy from economic collapse. When he spoke, I was driving along the highway and by chance my radio was tuned on a channel that aired the presentation.

Peak Oil: Has it Arrived?

Last week, at a public meeting, I was asked several times if this famed "peak oil" has arrived or not. People who have heard of peak oil seem to be becoming impatient, but I am afraid we'll have to wait a little longer. Peak oil is not here yet, at least if we intend it as a significant decline in the production of combustible liquids.

The Other Side of the Peak

Downcycling means that the material you obtain from recycling is not of the same quality as the one you started from. In this case, an old car, the problem is that the wreck doesn't just contain iron and carbon, which are the elements you start with when you make steel.

Public Awakens to Limits of Growth

The return of interest in the original "Limits to Growth" study, conducted in 1972, seems to be literally exploding. On March 16, 2012, the Smithsonian magazine published a comment, citing Turner's work. The Smithsonian piece has been taken up on April 4 by Eric Pfeiffer on Yahoo news, which seems to be the first appearance of the study in mainstream news in the 21st century.

Why Is Economic Growth So Popular?

During the past few years, the financial system gave to the world a clear signal when the prices of all natural commodities spiked up to levels never seen before. If prices are high, then there is a supply problem.

Beyond Peak Oil

Peak oil is behind us. That much seems to be clear from what was said at the 5th meeting of the Italian section of the Association for the study of peak oil (ASPO) held on Oct 28 in Florence, Italy.

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