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Dimming the Sun Like a Volcano? This Climate Fix Could Backfire Horribly

Date Published
October 22, 2025
Section
In the Media
Areas of Expertise
Corporate Governance Economy & Policy Globalization
From:
CBS In the News

In a feature by Gizmodo, Columbia Business School Professor Gernot Wagner points out that while solar geoengineering strategies, itself an arena of emerging climate-economics research, could cool the planet, the real world of “dimming the sun” is far messier than most models assume. He highlights engineering, logistical and governance obstacles which mean the approach “isn’t going to happen the way that 99 percent of these papers model.” The mention brings forward Columbia’s leadership in investigating how economics, policy and technology intersect in high-stakes climate interventions.

Mentioned Faculty

Gernot Wagner

Gernot Wagner

Senior Lecturer in Discipline of Economics in the Faculty of Business
Economics Division
Faculty Director, Climate Knowledge Initiative
Tamer Institute for Social Enterprise and Climate Change
Faculty Fellow
CESifo
Board Member
CarbonPlan
Columnist
Project Syndicate
Senior Fellow
Jain Family Institute
Mentioned On
Gizmodo
Mentioned Research
Engineering and logistical concerns add practical limitations to stratospheric aerosol injection strategies
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