Geoengineering
The U.S. Government Is Researching Solar Geoengineering. Now What?
Officials should use the tools on hand to get governance right.
In December, Congress renewed funding for the National Oceanic and Atmospheric Administration (NOAA) to investigate stratospheric aerosols as a potential method for “solar climate interventions,” expanding a research program established a year earlier. These actions have been widely interpreted as the first-ever federal research project into solar geoengineering—proposals to slightly “dim the sun” to limit …
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CONTINUE READING“NIABYs” Obstruct Important Climate Change Research
Some activists say “not in my backyard,” but strident opponents of solar geoengineering argue “not in anyone’s backyard.”
A peculiar type of activism is manifesting with regard to solar geoengineering. This proposed set of technologies to reduce climate change has been subject to only a few outdoor experiments. One has been in the pipeline for almost a decade: The Stratospheric Controlled Perturbation Experiment (SCoPEx) would involve the launch of a balloon into the …
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CONTINUE READINGWe Cannot Keep Global Warming within 1.5°C without Geoengineering
A new report from German green left groups heroically try do so, but fail
I emphasize the importance of carbon dioxide removal (CDR) technologies and solar geoengineering research because keeping global warming within the internationally agreed-upon 2°C goal through reducing greenhouse gas emissions alone is extremely difficult, and limiting it to the 1.5°C aspirational target is now essentially impossible. All options to reduce climate change that are consistent with …
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CONTINUE READINGThe IPCC Misses the Mark on Solar Geoengineering
The Intergovernmental Panel Climate Change poorly portrays the “institutional and social constraints to deployment related to governance”
Not long ago, I re-read the top-level messages from the Intergovernmental Panel Climate Change (IPCC) on solar geoengineering’s governance issues. The Summary for Policymakers of most recent broad report, Global Warming of 1.5°C (SR1.5), says, in full: Solar radiation modification (SRM) [i.e. solar geoengineering] measures are not included in any of the available assessed pathways. …
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CONTINUE READINGGeoengineering: Ready for its Close-up?
After long being marginalized in climate debates, geoengineering is experiencing a surge in attention — which carries both opportunities and risks.
If you’re a long-time Legal Planet reader, you may have noticed that I weigh in once a year or so to say that geoengineering – active engineered response to global climate change – is going to get prominent, and intensely contentious, soon. Geoengineering? Before continuing, we need a brief aside about names. Even what to …
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CONTINUE READINGHow Climate Disruption May Undermine Climate Policy
The long-term harms from climate change over the next decades may undermine support for efforts to reduce emissions
Almost two straight months of wildfires and smoke in California are a tangible sign of the impacts of climate change on our lives and our world. This article from the New York Times a couple of weeks ago does a good job of laying out why the wildfires in California are only one example of …
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CONTINUE READINGTaking Technology Seriously in Global Environmental Politics
A special issue on new technologies is now available
I am proud to announce a special issue of Global Environmental Politics on new technologies, edited by Simon Nicholson of American University and me, is now available. We write in the introductory essay: Human beings are at once makers of and made by technology. The ability to wield tools was an essential ingredient in propelling an …
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CONTINUE READINGTime to Get Serious about Climate Change and Oceans
Science can unlock powerful tools to fight climate change and ocean acidification, but only if we fund research and govern it well.
In the Before Time, I spoke with a few ocean scientists on climate issues, and I heard a common refrain. Climate change receives little attention or funding, considering the magnitude of the problem; climate impacts on oceans get even less; and marine carbon removal gets almost none at all. Humans are short-lived terrestrial creatures. …
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CONTINUE READINGUCLA Law Faculty Weigh In on Solar Geoengineering Experiment at Harvard
How to engage the public when everyone on Earth is a stakeholder?
It’s been a surprisingly busy year for solar geoengineering research. In late December, Congress appropriated $4 million to NOAA to study the influence of atmospheric aerosols on climate, with an eye on assessing “solar climate interventions.” In March, Australian scientists ran a trial of a cloud-seeding technology on the Great Barrier Reef that may …
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CONTINUE READINGA New Report on Governing Climate Geoengineering
I suggest steps toward global governance of carbon dioxide removal and solar geoengineering
A new report on the governance of climate geoengineering — that is, carbon dioxide removal (CDR) and solar geoengineering (or solar radiation modification, SRM) — has been released. International Governance Issues on Climate Engineering: Information for Policymakers was coordinated and issued by the International Risk Governance Center, edited by IRGC’s Marie-Valentine Florin, and commissioned by the …
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