PMMH’s weekly seminar is held every Friday at 11 am (map)
Stéphane Perrard
Etienne Reyssat
Virgile Thiévenaz

PMMH
BARRE CASSAN
BAT A 1ER ETAGE CASE 18
7 QUAI SAINT BERNARD
75005 PARIS
France
Tel : (33) 1 40 79 45 22
Séminaire PMMH - José Halloy (LIED, Univ. Paris Cité)
Energy Transition and Earth System Dynamics : Quantifying Long-Term Sustainability Trajectories for Human Societies
This talk explores how current industrial technologies - linear, extractive, and ecologically disruptive - must be replaced by systems designed in harmony with the Earth's living metabolism. Framing the planet as a dynamic, interdependent system rather than a passive resource pool leads to a fundamental rethinking of our energy and material dependencies. The concept of zombie technologies illustrates the un-sustainability of inherited infrastructure that resists ecological integration.
The presentation outlines principles for designing future technologies aligned with biogeochemical cycles. It emphasizes the need for interdisciplinary collaboration across natural sciences, social sciences, design, and ethics to quantify and shape sustainable trajectories for human societies in the long term.
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The audience is composed of people with rather heterogeneous backgrounds including specialists in solids, fluids, granular flows, statistical physics... so the idea is to keep your talk understandable by people not necessarily working in your field... The seminar time slot runs from 11am to noon so the best is to make the talk last around 45 minutes to leave some time for discussion.
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