Planet

π Energy π Planet

Why greenhouse gas reduction reveals a series of paradoxes for China

With Jean-Paul Maréchal, Associate Professor in Economics at Université Paris-Saclay and Deputy Director of IDEST

On January 21st, 2026
4 min reading time

In 2021, China’s production capacity accounted for the majority of photovoltaic and wind power.

Claire Huber_VF
π Planet π Science and technology

How satellites are redefining earthquake science

With Claire Huber, Engineer and Project Manager in Remote Sensing and GIS (Geographic Information System) at SERTIT, Cécile Lasserre, CNRS Research Director at the LGLTPE laboratory

On January 6th, 2026
4 min reading time
π Energy π Planet

Is it time to think about critical resources for fusion energy?

With Jacques Treiner, Research Associate at Université Paris Cité and Chair of the Shift Project Expert Group, Gérard Bonhomme, Professor Emeritus at Université de Lorraine and Chair of the Energy & Environment Committee of the French Physics Society

On December 2nd, 2025
4 min reading time

Nuclear fusion’s dependence on scarce resources could hamper the deployment of reactors in the future.

π Space π Planet

Carbon footprint and space activities: an ambiguous common ground

With Jürgen Knödlseder, CNRS Research Director in Astronomy and Astrophysics, Loïs Miraux, Engineer and Researcher at Institut d’économie de l’énergie (CEA)

On November 12th, 2025
4 min reading time

Currently, greenhouse gas emissions from space activities are difficult to measure and mitigate.

π Geopolitics π Planet

Russia's strategy to control Arctic resources

With Florian Vidal, Researcher at the Arctic University of Norway and associate researcher at the Interdisciplinary Laboratory for Future Energy at Paris Cité University

On October 1st, 2025
4 min reading time

The Russian military presence is intensifying in this rich region, where it is already recovering significant quantities of fossil fuels.

π Space π Planet

The extent of glacier melt measured from space

With Étienne Berthier, Glaciologist at CNRS, Fabien Maussion, Associate Professor at Bristol Glaciology Centre at University of Bristol

On September 24th, 2025
4 min reading time

Mapped using satellite data, regular monitoring of glaciers reveals that their melting has accelerated in recent years.