by Helen Bunting | Aug 24, 2026
The International Civil Aviation Organization (ICAO) projects that global aviation emissions could triple by 2050 as demand for flights continues to rise. The Carbon Offsetting and Reduction Scheme for International Aviation (CORSIA), put in place by ICAO, is intended...
by Helen Bunting | Jul 10, 2026
The 2025 Advisory Opinion of the International Court of Justice (ICJ) argues that climate mitigation is a matter of state responsibility, requiring states to use all means at their disposal to prevent significant harm. This article proposes a Climate System Integrity...
by Helen Bunting | Jun 3, 2026
Since the release of the previous edition of The State of Carbon Dioxide Removal, the carbon dioxide removal (CDR) landscape has continued to evolve rapidly. Deployment of novel CDR approaches has expanded, new policies have emerged, and growing evidence has...
by Helen Bunting | Apr 14, 2026
Efforts to mitigate climate change increasingly hinge on the potential large-scale deployment of geological CO2 storage. Central to this “carbon management” strategy is the use of subterranean pore space for permanent sequestration. Rather than characterizing it as a...
by Helen Bunting | Nov 4, 2025
In 2024, the authors of the 2009 “net zero papers” published an article in Nature entitled “Geological Net Zero and the need for disaggregated accounting for carbon sinks”. The authors argued that halting global warming must include geological net zero,...