Eine wöchentliche Presseschau zu allen Aspekten der Klimakrise aus der Schweiz und der ganzen Welt zusammen. Die Beiträge sind thematisch sortiert und lassen sich nach Themen und Schlagwörtern filtern. Jede Woche empfehlen wir eine Handvoll besonders interessanter Beiträge.

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* USA * Trump’s High-Profile Oil and Gas Lease Sale in Alaska Has No Takers

No companies bid for the chance to drill in more than 1 million acres of water off Alaska’s Cook Inlet, the Interior Department said Wednesday.

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* IRAN WAR * Oil and Natural Gas Prices Keep Climbing as Iran Attacks Escalate

Energy prices continued to rise on Tuesday as attacks by the United States and Israel on Iran intensified, along with the country’s response.

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* USA * ‘Bullying’ could scupper carbon levy on shipping, warn experts

Panama joins smaller nations in dropping support for policy aimed at cutting maritime emissions

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* IRAN WAR * Middle East crisis increases Southeast Asia’s coal risk

With oil and gas weaponised, coal - often sourced closer to home - becomes the desperate fallback for Asian governments seeking to avoid industrial paralysis and social unrest

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* IRAN WAR * War profits, quantified

As Middle East regional war upends global gas markets, US LNG exporters stand to pocket a multi-billion-dollar windfall

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Can Nations Agree How to Mine the Sea? This Is the Year, She Says

Leticia Carvalho heads a global authority that’s been struggling to set rules for a decade. President Trump’s aggressive push on ocean mining makes her task more urgent.

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* IRAN WAR * Trump Bets That ‘Energy Dominance’ Will Make War Less Costly

So far, the energy price shocks have been relatively contained. But a prolonged conflict in the Middle East carries enormous economic risks.

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Antarctica’s Mineral Riches Exposed as Climate Warms

Mining is banned on the frozen continent. But new research suggests that could change as ice melts and land and valuable minerals are exposed.

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* IRAN * US Energy Dominance laid bare

Trump’s war of choice is a bonanza for US LNG exporters, and a catastrophe for everyone else

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Voir encore une fois la glace: les conséquences du «tourisme de la dernière chance»

Beaucoup de gens veulent voir les glaciers avant qu’ils ne fondent. Mais ce «tourisme de la dernière chance» risque d’accentuer encore les problèmes.

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Facture climatique : l’inévitable emprunt du rêve olympique

Soyons honnêtes un minimum avec nous-mêmes. Déplacer des milliers d’athlètes et de spectateurs vers une ou plusieurs régions du monde ne pourra jamais produire un bilan 100% vertueux et éco-friendly.

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The 15 foods destroying rainforests, in one simple chart

New research reveals which food crops are razing the rainforest. One comes out way ahead — and it’s an American favorite.

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Grasslands and Wetlands Are Being Gobbled Up By Agriculture, Mostly Livestock

A new study takes a first-of-its kind look at how farming converts non-forested areas and major carbon sinks into cropland and pasture.

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* USA * These data center developers asked Trump for an exemption from pollution rules

Though the companies weren't granted exemptions, their requests illustrate the data center industry's desperate quest for energy.

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My native intelligence considers AI data centers

Yes, they're fast, and yes it's time to slow the heck down

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The Misunderstood History of CO2: The Science Behind Earth’s Most Controversial Molecule

The carbon cycle as we know it has been interrupted in ways never before seen in Earth’s history. How could understanding the deep history of CO2, as well as humanity’s relationship with this controversial and vital molecule, help us prepare for the planetary changes ahead?

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What’s the Climate Cost of Cropland Emissions?

New global maps show croplands produce nearly 5% of global greenhouse gas emissions. Rice, corn, wheat and oil palm drive most of the impact.

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An El Niño is brewing

Each El Niño event in recent decades has gotten steadily worse, because each one drives the temperature to a new record.

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Data centers are scrambling to power the AI boom with natural gas

As tech giants find creative ways to generate electricity, they’re building a glut of new fossil fuel projects.

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Stratosphäre baut Lachgas schneller ab

Obwohl die Konzentration des klimawirksamen Lachgases weiter steigt, verkürzt sich seine Verweildauer in der Atmosphäre. Sein Abbau wird durch den Klimawandel selbst beschleunigt. Das hat messbare Folgen für das Erwärmungspotenzial.

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«Last Chance Tourism»: Wie der Klimawandel Gletscher zum Ziel macht

Das Verschwinden der Gletscher ist zu einem Absatzmarkt für die Reisebranche geworden. Forschende warnen vor den Folgen.

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Corona und La Niña: Die überraschenden Treiber eines starken Methananstiegs

Von 2020 bis 2022 nahm der Methangehalt in der Luft ungewöhnlich rasch zu. Eine grosse Studie hat komplexe und überraschende Ursachen ans Licht gebracht. Sie sind wichtig, um Versprechen zu prüfen, dass die Methanemissionen gesenkt würden.

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Chevron Agrees to Explore Oil and Gas Work in Syria

Chevron has signed an initial agreement to start working in Syria, weeks after the Syrian government seized control of key oil and gas fields in the north of the country.

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Zones humides en Suisse: un patrimoine naturel en recul

Il ne reste aujourd’hui qu’environ 10 % des zones humides qui existaient en Suisse au milieu du XIXᵉ siècle, et beaucoup de celles qui subsistent se dégradent ou sont trop petites pour fonctionner pleinement.

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Siemens Energy Bets $1 Billion That A.I. Power Demand Will Last

The German manufacturer announced plans to expand factories in several U.S. states and build a new plant in Mississippi.

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US leads record global surge in gas-fired power driven by AI demands

Projects in development expected to grow global capacity by nearly 50% amid growing concern over impact on planet

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* CHINA | COAL * ‘Rush’ for new coal in China hits record high in 2025 as climate deadline looms

Proposals to build coal-fired plants in China reached a record high in 2025, according to a new study by CREA.

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Klimanotizen 82: Plastik

Einst sollte Erdöl »Brot, Wohlstand, Schönheit« geben. Die Kunststoffproduktion ist seither explodiert, die Folgen für Planet und menschliche Gesundheit sind immens. Neues über Zuführquoten, Mikroplastik und die sowjetische Vorgeschichte des Kampfes zwischen Petro- und Elektrostaaten.

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Plastik kostet die Menschheit zwei Millionen gesunde Lebensjahre – Tendenz steigend

Studien zeigen, dass sich diese Zahl bis 2040 gar verdoppeln könnte, wenn die Produktion nicht gedrosselt wird. Jetzt fordern Forschende die Politik zum Handeln auf.

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* SCHWEIZ * Schweizer Konzerne mischen im klimaschädlichen Kohlegeschäft mit

Glencore und UBS wehren sich gegen die Kritik, dass sie mit Investitionen in Met-Kohle die Klimaerwärmung befeuern.

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* STADT ZÜRICH * CO₂-Bilanz leidet unter Vielfliegerei

Zürcher fliegen über 10'000 Kilometer im Jahr, was dem Klima mehr schadet als der übrige Energieverbrauch der Stadt.

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* USA * The climate contradictions in MAHA’s new food pyramid

A Q&A with Sam Kass, a former Obama nutrition advisor, on the Trump administration’s new dietary guidelines and what they mean for the climate.

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* USA * New U.S. Rule Aims to Speed Up Mining of the Seafloor

The Metals Company, a prominent seabed-mining company, applauded the change and filed a new application more than doubling the area it hopes to mine.

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Does Low-Emissions Beef Exist?

Research shows there’s no such thing as climate-friendly beef, despite labels claiming otherwise.

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Das unbekannte Supertreibhausgas aus Baden-Württemberg

Eine Fabrik des Chemiekonzerns Solvay in Bad Wimpfen bei Heilbronn stößt gigantische Mengen des Treibhausgases SF6 aus, das 25.000-mal so stark wie CO2 wirkt. Die Behörden in Stuttgart sehen keine Handhabe zum wirksamen Einschreiten.

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Staatliche Fossilkonzerne heizen dem Klima ein

17 der 20 weltgrößten CO2-Emittenten unter den Konzernen werden von Regierungen kontrolliert. Dadurch entsteht ein hoher politischer Druck auf den UN-Klimakonferenzen.

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KI saugt die Energiewende auf

Erneuerbare boomen, doch KI-Anwendungen und andere Stromfresser halten die fossilen Kraftwerke weiter am Netz. Dagegen helfen altbekannte Lösungen und eine Diskussion um Dateneffizienz.

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* TRUMP * Huge amounts of extra land needed for RFK Jr’s meat-heavy diet guidelines

Even 25% increase in meat and dairy consumption would require 100m more acres of agricultural land, analysis says

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Meta Wants Data Center in Sunny El Paso to Rely on Natural Gas

El Paso Electric is seeking approval for a 366-megawatt natural gas power plant that will fuel Meta’s project. Residents worry a new power plant would worsen air pollution and guzzle water.

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Half of Fossil Fuel Carbon Emissions in 2024 Came From 32 Companies

As fossil fuel-based carbon dioxide emissions continue to rise to record levels, a new analysis shows that a majority of these emissions can be traced back to a shrinking number of large corporate entities.  Just 32 companies accounted for over half of global fossil carbon emissions in 2024.

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* SUISSE | JO * Une compétition «qui fait fondre la neige dont elle dépend»: une nouvelle étude dénonce l’impact climatique des prochains JO d’hiver

Une coalition d’ONG a évalué que les Jeux olympiques de Milan-Cortina devraient émettre environ 900 000 tonnes d’équivalent CO2. C’est compter sans l’impact carbone lié aux sponsors de l’événement, qui est loin d’être négligeable

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Les mines de charbon abandonnées depuis des décennies continuent à réchauffer massivement le climat

Une équipe tente de quantifier le CO2 dans les eaux qui drainent les anciennes mines de charbon aux Etats-Unis. Alors qu’il en existe 500 000 dans le pays, un échantillon de seulement 140 sites abandonnés dans les Appalaches rejetterait autant de ce gaz réchauffant pour le climat qu’une petite centrale à charbon (100 MW) en activité

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* USA * State and Federal Lawmakers Want Data Centers to Pay More for Energy

Despite many proposals, there is little consensus among governors, lawmakers and tech executives about exactly how much the companies behind data centers should pay for electricity.

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* WEF * Au WEF, on parle protection du climat mais on arrive en jet privé

Alors que le WEF 2026 s’ouvre ce lundi, Greenpeace publie une étude selon laquelle le nombre de jets privés autour de Davos a triplé en deux ans.

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BKW will in Deutschland ein Gaskraftwerk bauen

Die geplante Anlage soll Schwankungen in der Stromproduktion ausgleichen und irgendwann mit umweltfreundlichem Wasserstoff betrieben werden. In der Schweiz hingegen plant das Unternehmen keine solchen Investitionen – trotz Warnungen vor Versorgungslücken.

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World’s richest 1% have already used fair share of emissions for 2026

Richest 1% took 10 days while wealthiest 0.1% needed just three days to exhaust annual carbon budget, study shows

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* USA | VENEZUELA INVASION * Plan to exploit Venezuela’s oil could eat up 13% of carbon budget

Exclusive: ClimatePartner analysis shows how move would risk plunging Earth further into climate catastrophe

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* USA * US carbon pollution rose in 2025 in reversal of previous years’ reductions

Study from research firm finds that US greenhouse gas emissions grew faster than economic activity last year

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Are Declining Stocking Rates Underexplored by Scientists?

A new study says researchers could be missing important climate and environmental changes associated with reduced livestock grazing.

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* USA * Under Trump, U.S. Adds Fuel to a Heating Planet

The president’s embrace of fossil fuels and withdrawal from the global fight against climate change will make it hard to keep warming at safe levels, scientists said.

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* SCHWEIZ * So extrem belasten Smartphones, Streaming und KI das Klima

Der digitale Sektor in der Schweiz braucht immer mehr Strom. Doch es gibt Möglichkeiten, digitale Geräte nachhaltiger zu nutzen.

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* SUISSE * Smartphones, streaming et IA: l’impact climatique démesuré des technologies numériques

Les appareils et les services en ligne épuisent les ressources naturelles de la planète et contribuent au changement climatique. Mais il existe des moyens de rendre notre vie numérique plus verte.

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Warum Kriege auch dem Klima schaden

Kriege verursachen in erster Linie unendliches menschliches Leid. Kriege belasten aber auch das Klima massiv. Schätzungsweise fünf Prozent aller Treibhausgasemissionen weltweit werden durch Armeen verursacht.

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* SUISSE * «On ne peut pas avoir la terre entière à disposition»: le choc des générations face à la mobilité

Dans "La Discute", Angela, 26 ans, militante écologiste sans voiture, et Christian, 73 ans, avocat passionné de course automobile et père du pilote de F1 Romain Grosjean, confrontent leurs visions radicalement différentes de la mobilité.

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‘Just an unbelievable amount of pollution’: how big a threat is AI to the climate?

Defenders say AI can do good to fight the climate crisis. But spiralling energy and water costs leave experts worried

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* US ASSAULT ON VENEZUELA * Trump taking ‘drill, baby, drill’ plan to Venezuela ‘terrible’ for climate

‘Everybody loses’ if production supercharged in country with largest known oil reserves, critics say

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Ten Million Corals Are in the Path of a Federal Dredging Project in Florida

Scientists warn that a proposed expansion of Port Everglades could cause unprecedented damage to corals in the U.S., including some of the only remaining endangered staghorn corals that survived a record-breaking heat wave.

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Derrière l’essor de l’IA, les centres de données envahissent rapidement la planète et engloutissent ses ressources

Portée par l’explosion des services d’intelligence artificielle, une course effrénée aux infrastructures a transformé les Etats-Unis en un immense chantier numérique. Les investissements dépassent l’entendement, avec de sérieux impacts environnementaux

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* ICT * Using energy-hungry AI to detect climate tipping points is a paradox

AI-driven climate monitoring systems should operate according to defined carbon budgets and become more efficient in their use of energy and water

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What changed for deep-sea mining in 2025? Everything

Trump reshaped the industry this year, even as it faced opposition from the United Nations, scientists and Indigenous peoples.

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Trump Tosses Lifelines to the Struggling Coal Industry

The Energy Department ordered two coal-burning power plants to remain open, and the Environmental Protection Agency gave utilities more time to tackle toxic coal ash.

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Recent COP hosts Brazil and Azerbaijan linked to «super-emitting» methane plumes

Satellites detect huge methane leaks from state-owned oil and gas facilities, even as more countries pledge to cut emissions of the powerful greenhouse gas Satellites have detected huge methane leaks from state-owned oil facilities in Azerbaijan and Brazil, even as countries step up promises to cut emissions

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* KANTON LU * Ziel verfehlt: Luzern kämpft gegen Ammoniakemissionen

Die Abdeckung von Güllenlagern galt als wichtige Massnahme. Nun zeigt sich: Der Effekt ist kleiner als erhofft.

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A Zurich, les centres de données s’implantent aussi au centre-ville

En Suisse, le marché des centres de données est en pleine expansion. Cette évolution s’observe maintenant aussi dans les zones urbaines, et augmente la pression sur les loyers déjà très élevés

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IEA: Declining coal demand in China set to outweigh Trump’s pro-coal policies

China’s coal demand is set to drop by 2027, cancelling out effects of the Trump administration’s coal-friendly policies, according to the IEA

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Hydrogen emissions are ‘supercharging’ the warming impact of methane

The warming impact of hydrogen has been “overlooked” in projections of climate change, authors of the latest “global hydrogen budget” say.

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What your cheap clothes cost the planet

A global supply chain built for speed is leaving behind waste, toxins, and a trail of environmental wreckage.

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The Myth of Progress | Samuel Miller McDonald

Geographer Samuel Miller McDonald on the myth of progress that has legitimised violence for over 5,000 years, revealing how it has been recycled through Holy Books, colonial legislation, international development, and even technological innovation.

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Economic growth no longer linked to carbon emissions in most of the world, study finds

Analysis marking 10 years since Paris climate agreement underscores effectiveness of strong government policies

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* ANALYSIS * What are the causes of recent record-high global temperatures?

In this article, Carbon Brief explores four different factors that have been proposed for the exceptional warmth seen in recent years

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Scientists Warn of Emissions Risks from the Surge in Satellites

With hundreds of satellites launched each year and tens of thousands more planned, scientists are increasingly concerned about an emerging problem: emissions from the fuels burned in launches and from the pollutants released when satellites and rocket stages flame out on reentry.

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* INDIEN * Kohle-Boom in der Schublade

Indien denkt offenbar daran, noch viel mehr fossile Kraftwerke zu bauen als bisher geplant. Das wäre ein Schock fürs Weltklima. Auch Energiefachleute warnen.

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Who really pays for your cheap flight?

Viewing mass tourism within this backdrop of degrading environments, cultures, and economic equality helps us all to critically understand that there is no such thing as a cheap flight. Someone, something, somewhere is paying for it.In my view, it is time to reconsider how travel is embarked on, to whom, for how many, and why.

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Afrikas Wälder sind jetzt CO₂-Schleudern

Vom Kohlendioxid-Speicher zur -Quelle:

Lange galten sie als mächtige Kohlenstoff­dioxid-Speicher. Neue Daten zeigen, dass die afrikanischen Wälder nun mehr CO₂ abgeben als binden. Und das hat sich nicht nur dort geändert.

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Hinweis auf massives Treibhausgas-Leck in Baden-Württemberg

Forscher haben in Baden-Württemberg ein mögliches Treibhausgas-Leck entdeckt. Im Fokus steht ein Chemiewerk – der Betreiber widerspricht den Vorwürfen.

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E.P.A. Delays Requirements to Cut Methane, a Potent Greenhouse Gas

Oil and gas firms were supposed to start reducing methane, a powerful driver of climate change. The agency is giving them more time and may cancel the requirement.

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* TRUMP * Trump Vowed Fewer Regulations and Lots More Oil. He’s Delivered on One.

The president’s energy strategy is projected to generate more pollution, but so far production has not risen significantly and price drops have been modest, analysts say.

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Klimawandel: Mehr Hitze, weniger Wolken, noch mehr Hitze?

Lange vermuteten Forscher die abnehmende Luftverschmutzung als Ursache für die schnelle Erwärmung der vergangenen Jahre. Der wahre Grund ist wohl weit beunruhigender.

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Aramco believes AI can help double oil-well productivity, hydrocarbons here to stay

President and CEO Amin Nasser said Aramco was now realising gains after investing tens of billions of dollars in computing and hiring thousands of data scientists.

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Wieder rein die Jets

Die Klimabelastung durch weltweiten Luftverkehr liegt fast wieder auf Vor-Corona-Niveau. Die Branche investiert zu wenig in hocheffiziente Flugzeuge.

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Einst flog er Goldgräber in den Regen­wald, nun ist er Zeuge der Zerstörung im Amazonas

Während die Weltgemeinschaft um minimalste Klimaziele ringt, sieht Fernando Galvão Bezerra dem Regenwald beim Sterben zu. Ein Flug über menschengemachte Abgründe.

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The Congo basin is the second largest on Earth, so why is it being neglected?

It is one of the world’s most vital carbon sinks, but this tropical rainforest is losing out when it comes to climate policy and funding

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As COP30 Unfolds in the Amazon, Brazil Is Drilling for Oil Near the Great Amazon Reef System

Environmental advocates warn oil leaks or spills could cause irreparable damage to the unique and understudied ecosystem. They are suing the Brazilian government and its largest state-owned oil producer, Petrobras, to stop the project.

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* GLOBAL CARBON BUDGET REPORT 2025 * Bericht zeigt steigende CO₂-Emissionen

Das 1.5-Grad-Ziel rückt in weite Ferne. Doch es gibt Fortschritte bei Waldschutz und ökologischem Wirtschaftswachstum.

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* GLOBAL CARBON BUDGET REPORT * Les émissions de CO2 liées aux fossiles vers un record en 2025

Suivez l’actualité environnementale suisse et mondiale sur RTS Info: climat, écologie, biodiversité, enjeux écologiques, avec des articles, des reportages et des contenus audios et vidéos exclusifs.

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* GLOBAL CARBON BUDGET REPORT * Globale CO₂-Emissionen: Von wegen Trendwende

Die CO₂-Emissionen steigen auch 2025 weiter, zeigt der Bericht des Global Carbon Project. Zwar sinkt der Ausstoß in der EU und nun auch in China. Aber das reich

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* GLOBAL CARBON BUDGET REPORT 2025 *

The critical annual update revealing the latest trends in global carbon emissions

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* CHINA * China’s CO2 emissions have now been flat or falling for 18 months

China’s carbon dioxide (CO2) emissions were unchanged from a year earlier in the third quarter of 2025, extending a flat or falling trend that started in March 2024.

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ConocoPhillips Wants to Explore for Oil in an Arctic Wilderness

The oil company is proposing exploratory drilling and seismic testing beyond the borders of its Willow project, in areas home to caribou and other wildlife that provide sustenance for Alaska Natives.

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Data Centers’ Use of Diesel Generators for Backup Power Is Commonplace

Energy analysts and environmentalists say diesel generators are expensive, noisy, highly polluting and exempt from Clean Air Act regulations in times of energy “emergencies.”

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5 Graphics Explain the Land-Climate Connection

Land-use change has long been recognized as a major contributor to global warming. Deforestation and agriculture alone account for nearly 25% of human-caused greenhouse gas (GHG) emissions.

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Extractive Frontiers | Thea Riofrancos

Nations are rushing to secure resources within their own borders.  Globalisation is over. Colonialism and mining have always gone hand in hand. But now that the Global South has more political muscle as a bloc, and now that resources are running low, wealthy countries which have historically secured and polluted elsewhere are opening up extractive frontiers within their own territories. This is a tectonic shift in international politics.

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The ocean has been hoarding heat. Now it is building up a massive ‚burp.‘

Even if humans cut emissions enough to reduce global temperatures, new research shows the Southern Ocean could kick warming back into gear.

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* COP30 | BRASILIEN* Wie Mercuria den brasilianischen Wald zu Geld machen will

Das Genfer Handelshaus Mercuria setzt alles daran, um an der Klimakonferenz COP30 in Belém mit seinen Klimaprojekten zu glänzen. Public Eye konnte den Geheimvertrag zwischen Mercuria und dem brasilianischen Bundesstaat Tocantins einsehen.

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Car-driven climate risk: Valencia floods expose need for sustainable transport

Heavy reliance on cars put people in harm's way in the 2024 disaster, say researchers, as citizens press for climate-friendly mobility to help them adapt

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* USA * Trump officials say Alaska is ‚open for business.‘ So far, no one’s buying.

The administration wants to drill in Arctic National Wildlife Refuge. Oil companies don’t, leaving Alaska to spend millions propping up the idea.

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* UN GLOBAL FOREST RESOURCES ASSESSMENT * Five charts showing how global deforestation is declining

The amount of forest lost around the world has reduced by millions of hectares each year in recent decades, says a UN report.

EMPFOHLEN URSACHEN

AI Is Pushing Climate Goals Out of Reach, New Reports Say

Without a big increase in investment in renewable energy globally, humanity will not limit global temperature rise to 2 degrees Celsius, but much of the data center boom is powered by fossil fuels.