New Books in Public Policy

A scathing critique of proposals to geoengineer our way out of climate disaster, by the bestselling authors of Overshoot

The world is crossing the 1.5°C global warming limit, perhaps exceeding 2°C soon after. What is to be done when these boundaries, set by the Paris Agreement, have been passed? In the overshoot era, schemes proliferate for muscular adaptation or for new technologies to turn the heat down at a later date by re­moving CO2 from the air or blocking sunlight. Such technologies are by no means safe; they come with immense risks and provide an excuse for those who would prefer to avoid limiting emissions in the present. But do they also hold out some potential? Can the catastrophe be reversed, masked or simply adapted to once it is a fact? Or will any such round­about measures simply make things worse?The Long Heat: Climate Politics When It’s Too Late (Verso Books, 2025)maps the new front lines in the struggle for a liveable planet and insists on the climate revolution long overdue. In the end, no technology can absolve us of responsibility for our planet and each other.

Cody Skahan is a DPhil student at the University of Oxford as a recipient of a Grand Union ESRC doctoral training partnership. His work focuses on the intersections of people, the environment, and technology. Currently, he is focusing on the emergence of carbon capture and storage and carbon dioxide removal, as well as running a series of public engagement workshops across the UK and the Arctic around the topic of geoengineering.
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Like many of the world’s iconic coastal cities, Boston faces potentially severe impacts from climate change. Depending on global emissions, Boston could face several feet of sea level rise this century, which would leave many parts of the city subject to tidal and storm flooding. Precipitation events could become more frequent and extreme, and its already-humid summers could become dangerously hot, with most days over 90 degrees. Today, Boston is a booming city with a growing population, a glittering new waterfront neighborhood, world-class universities and a strong economy. Its future risks and opportunities related to climate change are shaped by the 400-year environmental, social and economic history of the city’s development.

As part of Anthem’s series, Climate Change and the Future of Boston (Anthem Press, 2026) by Dr. Courtney Humphries describes how Boston’s history and current context shape future climate impacts and examines the mitigation and adaptation strategies the city has taken. Boston is a leader in acknowledging the problem of climate change; it has set a goal of becoming carbon neutral by 2050, among other climate-related goals. It has also developed science-based climate models and undertaken a robust planning process to identify strategies to protect its waterfront from flooding and increase its resilience to other climate-related impacts. Its mayor has embraced a progressive Green New Deal for Boston emphasizing the need for an inclusive and equitable approach to climate mitigation and adaptation. But the city also faces structural challenges, such as aging infrastructure, historic racial inequities, rising gentrification and income inequality and ongoing political and regulatory obstacles that hinder efforts to adapt in an efficient and just manner. The book concludes with a set of forward-looking scenarios about what the future may have in store for the city and the lessons it holds for other coastal cities struggling with these challenges.

This interview was conducted by Dr. Miranda Melcher whose book focuses on post-conflict military integration, understanding treaty negotiation and implementation in civil war contexts, with qualitative analysis of the Angolan and Mozambican civil wars. You can find Miranda’s interviews on New Books with Miranda Melcher, wherever you get your podcasts.
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How the urban-rural divide drives partisan polarization Why have Americans living in different places come to experience politics as a battle between “us” and “them”? In Rural Versus Urban: The Growing Divide That Threatens Democracy (Princeton UP, 2025) Suzanne Mettler and Trevor Brown argue that political polarization is not just about red states and blue states, or coastal elites who alienate those in fly-over country. Instead, polarization permeates every region and every state—and has become organized through a pernicious rural-urban division. Mettler and Brown explain the evolution of this gulf across five decades, charting political trends in both places. Drawing on data on individuals, communities, and members of Congress, as well as interviews with local party leaders and former elected officials, they show how the divide emerged and why it poses a threat to democracy. Until about thirty years ago, both political parties attracted support from rural and urban voters. But after place-based inequality grew due to deregulation and trade liberalization, white rural dwellers began to view urban people and Democrats as affluent elites out of touch with their needs. Politically active evangelical churches, antiabortion organizations, and gun groups helped deepen the divide, encouraging many of these rural residents to become staunch supporters of the GOP. Now, regional one-party rule in rural America gives Republicans a systematic edge for gaining control of crucial political institutions, including the Senate, House of Representatives, the Presidency, and even the Supreme Court. This is helping enable an extremist political party and pushing democracy to the brink. Mettler and Brown argue that the divide can be repaired—but only if the Democrats build their own robust local organizations and offer citizens a meaningful choice.

Host Ursula Hackett is Reader in Politics at Royal Holloway, University of London, where she specialises in the study of public policymaking and litigation in the US. A former British Academy Mid-Career Fellow, she is the author of the award-winning book,America’s Voucher Politics: How Elites Learned to Hide the State (Cambridge University Press, 2020).

Trevor Brown is a Postdoctoral Fellow at Johns Hopkins University. In Fall 2026, he will join the University of Oregon's Department of Political Science as Assistant Professor of Inequality.
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Worker Centered: Allyship & Action in the Contemporary Labor Movement (Oxford UP, 2024) is a close-to-the-ground, ethnographic narrative of a workplace organizing campaign at a company whose workforce was primarily low wage and immigrant. The book details the overall strategy of the campaign and its ultimate failure to win its core demands. The organization used an innovative strategic model and insisted on the importance of worker leadership. And yet allies and staff participated in a campaign that, although continually framed as such, was decidedly not led by workers. Ultimately, Worker Centered challenges conventional notions of political representation, inviting reflection on the complexities of organizing the marginalized and speaking on their behalf.

Our guest Biko Koenig is an Assistant Professor in the Government and Public Policy programs at Franklin & Marshall college in Lancaster, PA. He is also co-founder of Research Action, a worker-owned research and organizing firm that performs research and analysis for unions, solidarity economy organizations, community groups and social justice campaigns. Trained as an ethnographer and qualitative specialist at the New School for Social Research, Koenig's research investigates questions of political behavior and mobilization that centers the experiences of everyday actors as they seek to challenge status-quo power relationships.

My co-host today is Joe Zerilli, and MA student in the Communication program at Oakland University.
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In Heart of Science: A Philosophy of Scientific Inquiry (University of Chicago Press, 2026), philosopher Jacob Stegenga breaks with the most dominant epistemologies of science to argue that in judging scientific activity, we should focus on its justification, not the achievement of truth or knowledge. Yet, Stegenga argues, the aim of science goes far beyond justification and is, instead, a special kind of truth—common knowledge, a broadly shared and mutually justified scientific finding.

Drawing on both historical examples and recent events like the COVID-19 pandemic, Stegenga outlines his approach before delving into its implications for scientific evaluation, testimony, values, progress, and credit, as well as the nature of science during times of crisis. Truth, he shows, may not be easily identified in the short term. However, an evaluation of scientific justification, grounded in shared standards, is possible. This framework helps us appraise—and appreciate—historical theories that ultimately weren’t accurate and offers fresh insights about appropriate science communication and public trust in scientific research. Justification and scientific rigor are not just means to an end, Stegenga writes, but the very heart of good science.Ambitious, authoritative, and accessible, Heart of Science offers a new vision for the philosophy of science.

Jacob Stegenga is professor of philosophy in the School of Humanities at Nanyang Technological University, Singapore. He is the author of Medical Nihilism and Care and Cure: An Introduction to Philosophy of Medicine

Morteza Hajizadeh is a Ph.D. graduate in English from the University of Auckland in New Zealand. His research interests are Cultural Studies; Critical Theory; Environmental History; Medieval (Intellectual) History; Gothic Studies; 18th and 19th Century British Literature.

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