Who cuts emissions fastest, and who supports others do so, are central questions in global climate action. New IIASA-led research shows that building fairness into climate models from the start can in...

Here the authors show that a common interpretation of the Paris Agreement’s ‘well below 2° C’ target is changing with time, which could lead to higher overall warming. They propose that using median t...

Carbon dioxide removal (CDR) plays an important role in decarbonization pathways to meet climate goals, but some methods are land-intensive. Multimodel analysis reveals conflicts between biodiversity ...

Abstract. Simple Climate Models (SCMs) are a key tool in climate research, enabling the rapid exploration of climate responses beyond the reach of more complex models and aiding in the estimation of f...

Abstract. Reduced-Complexity Models (RCMs) are a critical tool for synthesising climate science knowledge and providing climate projections for a wide range of emissions scenarios. The Reduced-Complex...

Find out why Yann Quilcaille is on TIME's 2025 list of the 100 most influential leaders driving business climate action.

Climate change made 213 historical heatwaves reported over 2000–2023 more likely and more intense, to which each of the 180 carbon majors (fossil fuel and cement producers) substantially contributed.

As the world faces the growing risk of exceeding the 1.5°C warming threshold, understanding the risks and responses to climate overshoot across different disciplines has never been more urgent.

Causal pathway from AMOC to Southern Amazon rainforest indicates stabilising interaction between two climate tipping elements, Högner, Annika, Di Capua, Giorgia, Donges, Jonathan F, Donner, Reik V, Feulner, Georg, Wunderling, Nico

Ensuring that everyone on Earth has a decent standard of living is possible in accordance with reducing emissions quickly and decisively.

What is a fair way forward after the 1.5°C warming limit of the Paris Agreement has been breached? In a new study, an international team...

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Entry points for assessing ‘fair shares’ in national mitigation contributions, Pelz, Setu, Ganti, Gaurav, Pachauri, Shonali, Rogelj, Joeri, Riahi, Keywan

General description This data file is a compilation of national greenhouse gas emissions (GHG) inventories, sourced from the Common Reporting Tables (CRTs) that countries submit to the UNFCCC. The CRT...

Joeri Rogelj argues that the threshold established by the Paris agreement remains crucial – even if it is breached.

At the COP in Baku, Azerbaijan, nation states must decide on a new climate finance regime, that will take effect from 2025. Studies show that by 2030, a sixfold increase in international financing is ...

Today's ecological crises are entwined with inequality dynamics, yet prevailing techno-economic approaches in climate research and policy fall short in addressing the ecological crisis as distribution...