Ugo Bardi

Ugo Bardi teaches physical chemistry at the University of Florence, in Italy. He is interested in resource depletion, system dynamics modeling, climate science and renewable energy. He is member of the scientific committee of ASPO (Association for the study of peak oil) and regular contributor of “The Oil Drum” and “”. His blog in English is called “Cassandra’s legacy”. His most recent book in English Extracted: How the Quest for Global Mining Wealth is Plundering the Planet (Chelsea Green”, 2014. He is also the author of The Limits to Growth Revisited (Springer 2011).

Limits and beyond

“The Limits to Growth” after 50 years: More relevant than ever

“The Limits to Growth” was a study of the future of the global economy. Its basic message was that growth could not continue to go on forever on a finite planet.

June 1, 2022

US choppers in Afghanistan

Afghanistan: The Twilight of the Global Empire

Of course, Afghanistan has no oil, and this much was known. But in the 1990s the oil reserves of the Caspian region, adjacent to Afghanistan, had been the object of a game of aggrandizing that led to exaggerating their extent at least of an order of magnitude.

July 28, 2021

fire and ice

Climate Change and Resource Depletion. Which Way to Ruin is Faster?

What could bring down the industrial civilization? Would it be global warming (fire) or resource depletion (ice)? At present, it may well be that depletion is hitting us faster. But, in the long run, global warming may hit us much harder. Maybe the fall of our civilization will be Fire AND ice.

July 15, 2021


Star Parasites: Carbon-Based Life and the Future of the Universe

Nowadays, we are obsessed with the idea that we need to “produce energy.” That is, of course, a wrong way to express the concept.

June 9, 2021

Los Alamos nuclear facility

The Long Term Perspectives of Nuclear Energy: Revisiting the Fermi Paradox

Despite the hype, nuclear energy of any kind may remain forever a marginal source of energy.

June 3, 2021

Our Friend the Atom

The Great Turning Point for Humankind: What if Nuclear Energy had not been Abandoned in the 1970s?

That the nuclear industry was to fail was written on the wall of the reactors because of a series of factual circumstances, surely not because a bunch of long-haired Greens were protesting in the streets.

May 25, 2021

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