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Resident Senior Fellow, Energy
R Street
There is an increasing disconnect between the sort of climate objectives that are advocated for politically (1.5 degrees Celsius, net-zero emissions by 2050, etc.) and the feasibility of achieving a massive global clean energy transition within the ever-shrinking carbon budget. This widening gap is reflected in seminal “transition scenarios” like the International Energy Agency’s (IEA) Net-Zero Emissions Report, or the International Renewable Energy Agency’s (IRENA) 1.5 Pathway report attempting to lay out a roadmap to these hoped-for climate objectives. The kicker is that these studies can’t make the math work without leaning heavily on huge amounts of carbon capture that… [more]
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Assistant Professor
American University
On February 10, the National Academy of Sciences (NAS) released two major new reports on climate engineering (or “geoengineering”). The reports set out to summarize the scientific basis for what the authors chose to call “climate intervention,” identify governance and ethical challenges, and chart a new research agenda. While the authors were careful to state that climate intervention is no substitute for reduction in carbon dioxide emissions, the reports indicate support for further investigation into large-scale technological responses. The paired studies assess two specific groups of strategies: (1) carbon dioxide removal and (2) reflecting sunlight, or albedo modification. While the… [more]
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