An Eminent Economist Talks About Climate Change

In my podcast series, “Environmental Insights: Discussions on Policy and Practice from the Harvard Environmental Economics Program,” I’ve had the pleasure of engaging in conversations over the past four years with a significant number of truly outstanding economists who have carried out important work in the realm of environmental, energy, and resource economics, and have been real leaders in the profession.  In my most recent podcast, we topped that, because I was joined by someone who has made important contributions not just in the realm of environmental and resource economics, but has been a global leader in the discipline of economics broadly, across numerous sub-fields, and has ventured and published well beyond economics in seemingly disparate realms, ranging from contract bridge to Italian Rennaisance painting.  All in all, he is the author or editor of 14 books and more than 300 scholarly articles. 

I am, of course, referring to my Harvard colleague – and good friend – Richard Zeckhauser, the Frank Ramsey Professor of Political Economy at the Harvard Kennedy School, and Distinguished Fellow of the American Economic Association, the Econometric Society, the American Academy of Arts and Sciences, the Association of Public Policy and Management, and the Society for Benefit-Cost Analysis.  Beyond that, I want to acknowledge that he is celebrated at Harvard and beyond as a marvelous classroom teacher, and a valued mentor to generations of students and faculty colleagues.

Near the beginning of our conversation, Richard laments a phenomenon he terms “the pumped equilibrium,” in which people hold exaggerated expectations about confronting the challenge of climate change if we do not drastically increase our efforts.  

“People started at least three decades ago saying, ‘Climate change is a terrible problem, but we can control it by cutting back on our greenhouse gases, and this is the last decade that we can do that. If we don’t do it this decade, we’re dead.’ And then, the next decade they said … the same thing. And this decade they’re saying … the same thing. And they keep telling us that we’re going to be able to [limit the global temperature increase to] two degrees centigrade above pre-industrial levels, or even more recently, 1.5 degrees centigrade above pre-industrial levels. I think that’s unrealistic.”

Richard maintains that instead a realistic assessment of the current state of climate change requires new approaches to make an impact.

“The United States has done a so-so job of cutting our emissions by about 10 percent over a number of years, but at the same time, China has increased its emissions by 13 percent, and you can expect that countries like India will be growing much faster in its emissions [levels],” he remarks. “So, I think that we should take a sober look at these problems and say, ‘What else can we do?’”

Climate adaptation, Zeckhauser states, holds the potential for greatly reducing the impacts of climate change. He cites one example in which scientists have proposed building a 100-foot-tall berm around a fjord in Greenland where warm water currently flows in and melts the ice sheets.

“This is very speculative. Will this work? I sure hope so. It’s within our realm of technological capability, but I think we should be looking for many solutions like this that could enable us to deal with … what I consider to be [the] catastrophic track that we’re on,” he says. Other potentially effective adaptation measures, he states, include increasing the alkalinity of the oceans and enforcing smarter logging policies to protect mature trees.

When I question Richard about the distributional implications of climate change, he remarks, “I think dealing with climate change and reducing its impact will automatically have very beneficial distributional consequences.  The places that are currently suffering the most from climate change are the hottest places in the world, which are both suffering under [rising] temperatures and having their weather patterns shifted. So, you would be doing God’s work in restoring or preserving the planet, and you’d be doing work that’s to the benefit of the most affected people in the world.”

He also refers in this context to the challenges posed by massive migrations of people who want to escape rising temperatures in the south by heading north.

“Those [migration patterns] are very uncomfortable for the people in both places – the people who have to do the migration, which is frequently very dangerous and expensive, the people who are still trapped in the old place because they don’t have enough resources, and the people whose areas are being affected by the new people who are coming.”

Zeckhauser says that ultimately, it is up to policymakers around the world to confront the climate change challenge.

“This is a political problem on a global scale. So, even if you didn’t want to worry about it, as a political actor, as the president of the United States has to be and our climate envoy has to be, and the UN has to be, you have to pay serious attention to it.”

My conversation with Richard Zeckhauser is the first episode of 2024 and the 57th episode over the past four years of the Environmental Insights series, with future episodes scheduled to drop each month.  You can find a transcript of our conversation at the website of the Harvard Environmental Economics Program.  Previous episodes have featured conversations with:

“Environmental Insights” is hosted on SoundCloud, and is also available on iTunesPocket CastsSpotify, and Stitcher.

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Author: Robert Stavins

Robert N. Stavins is the A.J. Meyer Professor of Energy & Economic Development, John F. Kennedy School of Government, Harvard University, Director of the Harvard Environmental Economics Program, Director of Graduate Studies for the Doctoral Program in Public Policy and the Doctoral Program in Political Economy and Government, Co-Chair of the Harvard Business School-Kennedy School Joint Degree Programs, and Director of the Harvard Project on Climate Agreements.