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Privacy policy

The Exergoecology Portal
Instituto CIRCE
c/ Mariano Esquillor Gómez, 15
50018 Zaragoza (Spain)

This Privacy Policy sets out how The Exergoecology Portal uses and protects any information that you give us and information about our policies regarding collection, use and disclosure of personal information.

The Exergoecology Portal is committed to ensuring that your privacy is protected. While using our website we may ask you to provide us with certain information that can be used to contact you or identify you.

We collect the following information:
- name
- email address

You can request at any time which personal information we have about you. If you believe that any information we are holding on you is incorrect or incomplete, please write to or email us as soon as possible and we will promptly correct it. We will not sell, distribute or lease your personal information to third parties.

We require this information to understand your needs and provide you with a better service; we may send from time to time a newsletter informing you of future events, conferences, new publications and such, that we think may interest you.

If you no longer want to receive this newsletter you can unsubscribe clicking on the link that can be found at the bottom or in the link provided in the website. If you no longer want to be a part of the Exergoecology portal and want your profile and your name and email address removed from the website, please email us at Contact.

We are committed to ensuring that your information is secure. In order to prevent unauthorized access or disclosure, we have put in place suitable physical, electronic and managerial procedures to safeguard and secure the information we collect online.

Our website contains links to other websites of interest. However, once you have used these links to leave our site, you should note that we do not have any control over that other website. Therefore, we cannot be responsible for the protection and privacy of any information which you provide whilst visiting such sites. You should exercise caution and look at the privacy statement applicable to the website in question.

We may change this policy from time to time by updating this page. You should check this page from time to time to ensure that you agree with any changes. If you have any questions about this Privacy Policy, please contact us here.

Last updated: May 2018


TaesLab: New version!

New version of TaesLab available! Free download here.

TaesLab is a software tool designed for the thermoeconomic analysis of energy systems.



The Material Limits of Energy Transition: Thanatia

Antonio Valero Capilla, Alicia Valero Delgado and Guiomar Calvo

This book provides a holistic view of raw mineral depletion in the context of renewable energy transistion.

The material limits Thanatia


Thanatia. Los límites minerales del planeta

mites minerales del planeta

Antonio Valero Capilla and Alicia Valero Delgado interviewed by Adrián Almazán

We need a material transition, not only energetic, that restores nature and effectively reuses materials. Gaia must be cared for by extending life on Earth and slowing its degradation towards Thanatia.

Thanatia los limites


Thermodynamics for Sustainable Management of Natural Resources

Cover Thermodynamics

Wojciech Stanek (Editor)

This book examines ways of assessing the rational management of nonrenewable resources. Integrating numerous methods, it systematically exposes the strengths of exergy analysis in resources management.

Thanatia: The Destiny of the Earth's Mineral Resources

Cover Thanatia

A Thermodynamic Cradle-to-Cradle Assessment by (author): Antonio Valero Capilla and Alicia Valero Delgado

Is Gaia becoming Thanatia, a resource exhausted planet? For how long can our high-tech society be sustained in the light of declining mineral ore grades, heavy dependence on un-recycled critical metals and accelerated material dispersion? These are all root causes of future disruptions that need to be addressed today.