Fritz Vahrenholts Newsletter: Eine Lehre aus dem Terroranschlag
Der Newsletter von Fritz Vahrenholt bietet persönliche Kommentare zu globalen Temperaturveränderungen und energiepolitischen Themen direkt vom Verfasser.
Die globale Temperatur hat sich im Dezember 2025 weiter deutlich verringert. Sie beträgt nur noch um 0,3 Grad Celsius höher als das langjährige Mittel. Das Jahr 2025 war insgesamt deutlich kühler als 2024. Der Abkühlungstrend wird fortgesetzt.
Eine grundsätzliche Lehre aus dem Terroranschlag auf das Berliner Stromnetz

Dr. Fritz Vahrenholt
Die oben genannten Artikel sind dem Rundbrief von Dr. Fritz Vahrenholt vom 7. Januar 2026 entnommen. Hier können Sie sich für diesen Rundbrief anmelden.
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No, New York Times, Climate Change Is Not Making Tennis Players Ill
In this article, climate researcher and writer Linnea Lueken examines claims by The New York Times that climate change is making tennis players ill during the French Open. She argues that player health, tournament infrastructure, and individual heat sensitivity provide more plausible explanations than climate change, and that a single heatwave does not constitute evidence of a long-term climate trend.
Kathryn Porter: “The whole model is starting to crumble”
Policymakers and media institutions underestimate the dangers created by unreliable energy systems and rising electricity costs, energy analyst Kathryn Porter recently stated on the Heretics podcast. But she thinks the problem is much bigger than that: “Societies entering periods of political and economic stress, often become more authoritarian. The whole model is starting to crumble.”
Matthew Wielicki on Climate Debrief: “The human condition has never been better”
Students were crying during conversations about the future, their fears largely driven by repeated exposure to highly negative messaging about climate change, recalls ‘professor in exile’ Matthew Wielicki on the Climate Debrief Podcast. He encourages young people to approach environmental and climate concerns with balance, optimism, and practical action rather than despair.







