As the global community grapples with the escalating consequences of climate change, the urgency for sustainable, impactful solutions has never been greater. It is within this context that climate intervention is being considered. Climate intervention refers to deliberate large-scale manipulation of the planetary environment to counteract anthropogenic climate change and includes both large-scale carbon dioxide removal (CDR) and sequestration technologies as well as solar radiation modification (SRM). There are substantial environmental, technical, and cost challenges in using CDR at the scale needed to significantly reduce global warming, and the slow response of the climate system makes it unlikely that CDR could be implemented rapidly enough or at sufficient scale to avoid potentially dangerous levels of climate warming in the coming decades. SRM is thus being considered as the only approach available to rapidly counter near-term climate warming; however, the extent to which SRM can reduce climate change hazards has not been robustly established, nor is there a full understanding of the extent to which SRM may introduce new risks to people and ecosystems. The panel will discuss the potential benefits, drawbacks, and uncertainties of each strategy, as well as the broad policy implications and the ethical dilemmas that arise around climate intervention. We invite attendees to come prepared with questions and a keen interest in this important discussion.

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