"The summer of 2026 showed what inaction costs; the courts, for their part, have begun to say who must be held responsible for it," emphasize François de Cambiaire and Lydia Méziani, lawyers at de Cambiaire & Méziani Associates.
According to Michael Frank, director of the Association of Swiss Electricity Companies (AES), "it is crucial to keep the energy transition at the heart of public debate and, above all, to accelerate the concrete implementation of projects."
"Resource-hungry, these data centers have an environmental footprint that constitutes a crucial sustainability issue for both companies and actors in sustainable finance," recalls Luc Olivier, financial analyst (CFA) and portfolio manager at La Financière de l'Échiquier.
A consortium led by the company GRZ Technologies, the Federal Office of Energy (OFEN) and The Ark Foundation has developed a hydrogen compressor using heat instead of electricity. A promising technology but with limited concrete potential.
At the end of November, an expert report commissioned by the Energy Foundation claimed that the Gösgen nuclear power plant had been affected by a safety flaw since it began operating in 1979. We discuss the issue with Andreas Pautz and Mathieu Hursin, two specialists working at EPFL's LRS.
"In 2025, all of the batteries presented at SNEC Storage in Shanghai were LFP, a sign that this chemistry has established itself as the new standard," says Lionel Perret, head of the renewable energy sector at Planair.
In "Une Constitution pour la transition écologique," Marcel Hänggi proposes rethinking the Constitution in depth in order to better protect both the environment and democratic institutions in the face of upcoming ecological crises.
The scientists of the GlaMBIE project estimate that between the beginning of the 21st century and today, glaciers have lost between 2% and 39% of their ice mass at the regional scale, and about 5% at the global scale.
"Beyond the widely discussed diplomatic deadlocks, COP30 revealed that the transition will no longer be played out in final communiqués, but in the ability of economies to measure, finance and deploy real transformations," explains Sarah Perreard, co-director of Earth Action.
Spin-off of EPFL, the start-up has set itself an ambitious mission: to make wind energy compatible with professional activity zones thanks to smaller, quieter turbines equipped with vertical-axis blades.
"We call for clear market signals, a coherent framework and better valuation of renewable electricity injected into the grid," explain Cécile Theumann and Martial Bujard, co-directors of the ADER.
The disappointing conclusions of the latest COP raise questions about the very model of these large international meetings. A discussion with Delia Berner, an international climate policy analyst, and another member of the Swiss delegation, a representative of civil society.
Despite the emergence of counter-movements, the success of this great celebration of overconsumption remains undiminished. On the contrary, it has definitively established itself in Switzerland as in the rest of Europe.
