Key Moments

Climate Change Debate: Bjørn Lomborg and Andrew Revkin | Lex Fridman Podcast #339

Lex FridmanLex Fridman
Science & Technology7 min read252 min video
Nov 18, 2022|1,038,750 views|18,445|5,286
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TL;DR

Climate change debate: Humanity faces complex challenges, needing more innovation and resilience than alarmist policies to thrive.

Key Insights

1

Climate change is a multifaceted problem, not a singular 'end of times' scenario; focusing solely on CO2 reduction overlooks other effective solutions.

2

Human vulnerability to climate-related disasters is predominantly driven by where and how people build, not solely by changes in weather patterns.

3

Prioritizing innovation in green energy, like fourth-generation nuclear, is a more effective long-term solution than costly, inefficient carbon emission cuts.

4

Alarmism, while sometimes raising awareness, can paralyze action and divert focus from cost-effective, impactful solutions, especially for the world's poor.

5

Addressing foundational issues such as poverty, disease (TB, malaria), and corruption in developing nations yields significantly higher returns on investment than many climate policies.

6

Politics deeply polarizes the climate discussion; framing conversations around local energy innovation and non-climate benefits can bridge divides and foster cooperation.

DECONSTRUCTING THE CLIMATE NARRATIVE

The discussion around climate change is often oversimplified, with extreme views dominating public discourse. Andrew Revkin emphasizes that it's an 'uncomfortable collision between old energy norms and growing awareness' of planetary systems. Bjørn Lomborg highlights a worrying trend where 60% of people in OECD countries believe climate change will lead to human extinction, a sentiment not supported by scientific consensus. This alarmism, while potentially raising awareness, can be counterproductive, leading to paralysis rather than constructive action. Both experts advocate for a nuanced conversation, moving beyond the 'belief vs. disbelief' binary to explore actionable solutions.

HUMAN VULNERABILITY: THE PRIMARY DRIVER OF DISASTER

A critical insight from the discussion is that human-caused vulnerability, rather than solely climate change, largely drives the impact of natural disasters. Revkin points to examples like Austin's 'flash flood alley' or Pakistan's rapidly growing population in floodplains. Lomborg notes Florida's exponential increase in coastal housing since 1940. While climate change might tweak storm intensity or duration, the overwhelming factor in disaster losses is where people build, the density of construction, and inadequate zoning. Focusing on robust infrastructure, smarter urban planning, and effective early warning systems offers more immediate and cost-effective ways to protect human lives and property.

THE INEFFICIENCY OF CURRENT EMISSION REDUCTION STRATEGIES

Lomborg argues that many current climate policies, particularly in wealthy nations, are incredibly inefficient and costly. He estimates that EU's Net Zero targets could cost a trillion dollars annually, yielding minimal, almost unmeasurable, temperature reductions by the century's end. Similarly, he states that US Net Zero initiatives could cost trillions annually for a mere 0.3-degree Fahrenheit reduction. The issue isn't the desirability of reduced emissions, but the high cost-to-benefit ratio of existing approaches. Investing in alternatives like electric cars, while good, often acts as 'virtue signaling' and is a very expensive way to cut CO2, especially when rich countries subsidize expensive models for already affluent consumers.

THE MORAL AND ECONOMIC CASE FOR FOSSIL FUELS (FOR NOW)

Both speakers acknowledge that fossil fuels remain the backbone of global energy, providing 80% of current needs. Lomborg underscores that demanding an immediate, expensive transition away from fossil fuels disproportionately harms the poor, who rely on affordable energy for basic needs and economic development. He critiques policies that make fossil fuels prohibitively expensive before viable, cheap alternatives are widely available. Revkin highlights the geopolitical stability that abundant energy provides and draws attention to countries like Ghana, which face international pressure not to develop their natural gas resources despite urgent domestic development needs. The argument is that some fossil fuel use for development, like LPG for cooking, can be far more beneficial than alternatives like burning charcoal and should not be summarily dismissed.

THE PARADOX OF INNOVATION: OVERLOOKED AND UNDERFUNDED

A central theme is the critical importance of energy innovation, which remains underfunded compared to direct emission reduction efforts. Lomborg cites a Copenhagen Consensus study showing that investing a dollar in green energy innovation could avert $11 of future climate damage, a far better return than current policies. He advocates for technologies like fourth-generation nuclear power, which could be cheaper, safer, and mass-produced, ultimately making clean energy competitive with fossil fuels. The 'Green Revolution' in agriculture serves as a historical precedent, demonstrating how technological breakthroughs can solve massive global problems without requiring widespread sacrifices or behavioral changes.

ADDRESSING GLOBAL PROBLEMS WITH HIGH-IMPACT SOLUTIONS

Lomborg argues that a cost-benefit analysis reveals many non-climate interventions offer exponentially higher returns for global well-being. Investing in combating diseases like tuberculosis and malaria (TB, malaria PR), providing nutritious food for children, or implementing e-procurement systems to reduce government corruption can yield returns of $30-$100 for every dollar spent. These interventions directly address poverty, improve health, and enhance productivity, particularly in developing nations. He stresses that getting people out of poverty is a prerequisite for them to care and act on environmental issues effectively, as immediate survival often outweighs long-term environmental concerns.

THE ROLE OF JOURNALISM AND THE PERILS OF NARRATIVE CAPTURE

Revkin, with over 30 years of climate journalism experience, critically examines the media's role in shaping the climate narrative. He explains the 'front page thought' phenomenon, where media outlets prioritize alarming stories for clicks, often oversimplifying complex scientific findings. This leads to 'narrative capture,' where journalists, scientists, and NGOs align with a dominant storyline, ignoring or downplaying contradictory evidence. He stresses the need for journalists to be rigorous, question assumptions, actively seek out diverse perspectives, and prioritize understanding over taking sides, even when interviewing those considered 'evil' or holding unpopular views. Empathy and a focus on 'who, what, where, when, why' are crucial.

POLITICS, POLARIZATION, AND THE PATH TO COOPERATION

The discussion underscores how political affiliation profoundly influences perceptions of climate change and effective solutions. Polling data shows stark divides between Republicans and Democrats in the US on global warming's severity and human contribution. Revkin and Lomborg argue that this polarization is less about scientific literacy and more about policy preferences; people reject climate claims if they fear it leads to taxes or top-down government regulation. They suggest that focusing on 'cooperation over agreement' and framing climate action around local benefits, like energy independence or economic opportunities (e.g., wind power in red states), can transcend partisan divides. The bipartisan infrastructure law in the US, despite not being labeled a 'climate bill,' demonstrates how practical solutions can garner broad support.

THE DISTRIBUTED NATURE OF SOLUTIONS

Revkin argues that solutions to complex challenges are increasingly distributed rather than top-down. The initial approach to climate change, largely centered on international treaties and governmental mandates, has proven limited. Instead, progress often comes from grassroots innovation, local initiatives, and individual agency. He cites examples like micro-payment gas initiatives in Nairobi, which help communities transition from charcoal to cleaner cooking fuels, or the decentralized efforts of Selco in India, which provides solar-powered solutions to rural villages. This 'planet of the mind' concept, where collective human intelligence fosters a better Earth, emphasizes that everyone, from artists to economists, can play a role by focusing on solvable, localized problems.

RETHINKING NUCLEAR POWER'S ROLE

Nuclear power, once demonized by environmental movements due to safety concerns (Three Mile Island, Chernobyl) and waste disposal challenges, is now being reconsidered. Both guests note a generational shift, with younger people more open to it. While existing nuclear power plants are cost-effective to run, new large-scale plants are prohibitively expensive. The future may lie with fourth-generation nuclear technology, such as mass-produced, passively safe small modular reactors (SMRs), which could offer affordable, zero-carbon baseload power. However, regulatory frameworks designed for older, larger plants need to evolve to facilitate the development and deployment of these innovative designs.

THE 'NOOSPHETHERE' AND BUILDING A RESILIENT FUTURE

Revkin reflects on the 'noosphere' concept—a 'planet of the mind' where human intelligence and interconnectedness drive the Earth's evolution. This includes leveraging digital tools for good, like connecting with people globally or combating corruption through e-procurement systems. He emphasizes the importance of resilience, not just efficiency, in global systems. Events like the COVID-19 pandemic exposed vulnerabilities in hyper-efficient supply chains, highlighting the need for redundancy and diverse options. This perspective advocates for a cautious yet optimistic approach, recognizing humanity's capacity for innovation and adaptation while acknowledging the immense challenges.

Cost-Benefit Ratio of Global Investments

Data extracted from this episode

Investment AreaReturn per Dollar Spent
Climate Policies (EU/US, current approach)~0.30 - 3.00 (dollars worth of good)
Tuberculosis (TB) Treatment~43 (dollars worth of good)
Malaria Prevention (Mosquito Nets)Significantly high (comparable to TB)
E-Procurement (reducing corruption)Huge benefit (e.g., 7% cost reduction in Bangladesh tenders)
Nutrition for Small Children (first 2 years)~45 (dollars worth of good in increased productivity)
Energy Innovation (e.g., 4th Gen Nuclear)~11 (dollars worth of climate damage avoided)
Disaster Preparedness (Resilience)10x return (dollar invested saves 10 after a disaster)

Public Perception vs. Scientific Consensus on Climate Change (2022 US Polls)

Data extracted from this episode

StatementAll US Adults (%)Republicans (%)Democrats (%)
Dealing with climate change should be a top priority421165
Human activity contributes a great deal to climate change461771

Global Energy Sources: Then & Projected

Data extracted from this episode

Energy TypeCurrent (Still) (%)Projected 2050 (Biden Admin Estimate) (%)
Fossil Fuels8070
Electricity (total energy uses)20N/A
Wind Energy (of total energy)1N/A
Solar Energy (of total energy)0.8N/A

Common Questions

The extremes range from believing climate change is a hoax and not human-caused, often involving claims of corruption in institutions, to alarmism about catastrophic impacts leading to human extinction. The discussion aims to find a nuanced center between these views.

Topics

Mentioned in this video

Concepts
fracking

A drilling technology that made natural gas abundant and cheap, leading the U.S. to switch from coal to gas for power generation. This significantly reduced carbon emissions at low cost, though it has its own environmental problems.

Paleo tempestology

A field of science that studies past hurricane activity by examining geological records (like layers of sand in lagoons), providing a long-term historical context for storm frequency and intensity.

Smokey Bear

A campaign figure representing fire prevention, whose message to suppress all fires for 100 years inadvertently led to an accumulation of fuel in landscapes naturally evolved to burn, contributing to severe wildfires.

Chicago

Cited for its historical engineering feat in the 1850s, where blocks of the city were physically raised one to two feet to improve sanitation, demonstrating human ingenuity in responding to urban challenges.

tuberculosis

A major infectious disease killer (1.5 million annually), highlighted as an incredibly cost-effective global health issue to solve through medication and adherence incentives.

Fourth-generation Nuclear Power

Proposed advanced nuclear power technology, characterized by modular design for mass production, passive safety, and reduced proliferation risk. It's envisioned as a potentially cheaper, cleaner alternative to fossil fuels.

Precautionary Principle

A concept, particularly advocated by the European Union, that suggests action should be taken to prevent potential harm even if scientific understanding of the risk is incomplete, often applied to technologies like CRISPR.

Greenhouse Effect

The physical process by which greenhouse gases in Earth's atmosphere trap heat, leading to global warming. It was a key term in early discussions of climate change.

Holocene

The current geological epoch that began approximately 11,700 years ago after the last ice age, preceding the proposed Anthropocene.

Path Dependency

An economic concept referring to how past decisions or existing systems greatly constrain future options. It applies to energy infrastructure, car fleets, and even political systems that resist swift transitions, like those needed for climate action.

Anthropocene

The current geological epoch, proposed to be characterized by the significant impact of human activities on Earth's geology and ecosystems. Andrew Revkin played a journalistic role in popularizing this idea.

People
Will Happer

A physicist at Princeton University who believes carbon dioxide is beneficial, a perspective mentioned as being at another end of climate views. He was considered for a science advisor role under Trump.

Peter Coleman

A researcher at Columbia University who runs the 'Difficult Conversations Laboratory,' focusing on psychology and conflict resolution. He advocates for 'cooperation' over 'agreement' in contentious issues like climate change.

John Sutter

A talented journalist at CNN from Oklahoma, who explored climate skepticism in Woodward County, Oklahoma, demonstrating how local priorities (energy independence) can align with climate-friendly actions for different reasons.

Barack Obama

Former U.S. President, who took credit for emissions reductions due to the shift from coal to natural gas (enabled by fracking under previous administrations). His administration also focused on sectoral climate efforts.

Greta Thunberg

A young climate activist, whose alarmist message is acknowledged as understandable given the narrative of impending doom. However, Lomborg believes her approach, while raising awareness, also hinders constructive policy discussions.

Bob Ward

A critic of Bjørn Lomborg, who accuses him of cherry-picking models and ignoring fossil fuel subsidies when calculating the costs of climate action. Lomborg defends his methodology by stating he averages models.

Alex Epstein

Author of 'The Moral Case for Fossil Fuels' and 'Fossil Future,' who argues for the continued use of fossil fuels due to their benefits for human flourishing. His view highlights the essential role of fossil fuels in modern society and the need for affordable energy.

George Harrison

A member of The Beatles, who organized "A Concert for Bangladesh" in the 1970s to raise funds after a devastating cyclone, highlighting a historical tragedy that now sees much lower fatalities due to improved resilience.

Martin Rees

A famed British scientist and physicist known for his focus on existential risk. He participated in a meeting at the Vatican on sustainable humanity.

Bill Gates

Advocates for fourth-generation nuclear power as a key innovation. He also invests in a broad portfolio of energy solutions, recognizing the need for both large-scale and distributed innovations.

Dick Cheney

Former U.S. Vice President, who stimulated early energy task force efforts (2001) that inadvertently led to increased fracking and the shift from coal to natural gas.

James Hansen

A prominent American climate scientist whose dramatic testimony in the Senate committee in 1988 helped stimulate early public attention and reporting on global warming and the greenhouse effect.

Michael E. Mann

A climate scientist known for his 'hockey stick' graph illustrating long-term temperature records. He is noted as an activist who sits at the 'far end of the spectrum' and has been a target of political attacks.

Steven Koonin

A physicist and former Undersecretary for Science in the Obama administration, who authored a bestseller expressing skepticism about climate alarmism. He's mentioned as a brilliant physicist on the 'end of skepticism' for climate views.

Elon Musk

Founder of Tesla, credited with advancing the electric car revolution and stimulating significant R&D in the automotive industry.

Helen Ingram

A social scientist at UC Irvine, who in 2006, helped Andrew Revkin understand the social factors influencing people's political views, explaining that people prioritize issues that are 'soon, salient, and certain,' which climate change often isn't.

Henry David Thoreau

An American naturalist, essayist, poet, and philosopher. His quote, 'Heaven is under our feet as well as over our heads,' emphasizes finding profound beauty and meaning in the immediate environment.

Kerry Emanuel

A highly experienced hurricane and climate scientist at MIT, whose research with colleagues identified a 'hurricane drought' in the Atlantic from the 70s to the mid-90s, linked to air pollution in Europe.

Bjørn Lomborg

President of the Copenhagen Consensus Center and author of 'False Alarm,' 'Cool It,' and 'The Skeptical Environmentalist.' He advocates for a nuanced approach to climate change, emphasizing cost-benefit analysis and prioritizing basic global issues like poverty and disease.

Andrew Revkin

A respected journalist known for writing about global environmental change and risk for over 30 years, including two decades at The New York Times. He emphasizes understanding human vulnerability to climate hazards and the complexities beyond simple CO2 reduction.

Jeremy Bassis

A scientist who published research suggesting that the potential rapid sea level rise from the West Antarctic Ice Sheet's sudden collapse might be a more progressive and self-limiting phenomenon than initially feared.

Craig Venter

A scientist credited with cracking the human genome in 2000, who proposed genetically modifying algae to soak up CO2 and sunlight to produce oil, effectively creating a self-sustaining 'Saudi Arabia on the ocean surface.'

George Mitchell

A figure from Texas credited with pioneering the technology of fracking in the 60s and 70s, leading to significant changes in U.S. energy production.

Jonathan Swift

An author whose 'Modest Proposal' (satirically suggesting the Irish eat their children to alleviate poverty) is referenced to highlight that cost-benefit analysis alone isn't enough; moral complexity must also be considered.

Al Gore

Former U.S. Vice President, whose film 'An Inconvenient Truth' is mentioned as a catalyst for increased awareness and politicization of climate change in 2006.

Roger Pielke Jr.

A prominent researcher of climate risk and policy at UC Boulder, whose career track was reportedly hampered due to his message being 'off the path' of the mainstream climate narrative.

Joe Muller

A climate scientist at Florida Gulf Coast University who conducts paleo tempestology research in Fort Myers, revealing a thousand-year record of past hurricanes and the region's historical vulnerability.

Donald Trump

Former U.S. President, mentioned in the context of considering Will Happer as his science advisor. His presidency is part of the discussion on political impact on climate policy.

Walter Lippmann

A journalist and author, quoted for his view that democracy is not about everyone agreeing, but about different people disagreeing while still cooperating on shared actions.

Locations
Bangladesh

Featured in examples of successful e-procurement to reduce corruption and effective disaster preparedness that drastically cut cyclone fatalities from hundreds of thousands to just dozens.

West Antarctic Ice Sheet

An ice sheet considered particularly vulnerable to collapse, though later research suggests its potential changes may be more progressive rather than sudden catastrophies.

United States

Discussed for its goal of Net Zero by 2050, which is projected to cost trillions annually with a very small impact on global temperatures, highlighting the high cost-benefit ratio of certain climate policies.

Indian Point Energy Center

A nuclear power plant in Hudson Valley, New York, that was eventually shut down despite being a source of cheap, CO2-free base load power. Its closure led to a reliance on natural gas.

Rhode Island

Andrew Revkin's childhood home, where he grew up experiencing hurricanes, noting that the North Atlantic generally had an active hurricane period in the 50s-70s.

Germany

Cited for a recent flood where the primary cause of fatalities was faulty alarm systems and local leadership failures, not solely climate change, illustrating how local governance issues can be scapegoated by climate concerns.

Ukraine

Cited as an example of a country that has implemented digital transformation in government, significantly reducing corruption through e-procurement systems and government apps.

Three Mile Island Nuclear Generating Station

The site of a partial nuclear meltdown in 1979 in the U.S., which significantly contributed to public alarmism and negative perceptions of nuclear power.

Austin, Texas

Cited as an example of an area prone to flash floods (Flash Flood Alley) where human development has increased vulnerability to climate hazards.

China

Discussed for its huge economic growth and increased emissions, becoming the 'workshop for everyone,' which made global decarbonization efforts by rich countries appear relatively small.

Fort Myers, Florida

Cited as an area that experiences significant damage from hurricanes, where human development and building in hazardous areas contribute significantly to disaster losses, rather than solely climate change.

Tacloban City

A city in the Philippines devastated by a typhoon in 2013, with thousands of deaths largely due to quadrupled population and poor people settling in marginal, vulnerable areas.

Jakarta

A coastal city sinking rapidly due to groundwater withdrawal and being built on sediment, facing sea-level rise challenges much faster than global warming. Its government is moving the capital as a response.

Haiti

A country where the Canadian development ministry funded a project to identify smart investments after an earthquake, revealing that many desired initiatives were not cost-effective, reinforcing the need for rigorous cost-benefit analysis.

Chernobyl Nuclear Power Plant

The site of a catastrophic nuclear accident in 1986, which further fueled public fear and alarmism surrounding nuclear energy's safety.

Pakistan

Used as an example of a region where rapid population growth and settlement in floodplains have dramatically increased human vulnerability to climate hazards, overshadowing the direct impact of climate change in disaster losses.

Greenland Ice Sheet

A massive ice sheet containing vast amounts of water, whose melting dynamics are driven by ocean temperature and are still not fully understood, posing a significant but uncertain future sea level rise risk.

Antarctica

The continent with vast ice sheets, whose stability is influenced by ocean temperatures. The concept of 'collapse' for its ice is discussed in terms of long-term geological processes versus sudden events.

Woodward County, Oklahoma

Described as 'Ground Zero for climate skepticism,' where a resident, despite religious beliefs about environmental control, adopted solar panels for energy independence rather than climate concerns, illustrating alignment on actions despite differing motivations.

Organizations
European Union

Its efforts to achieve 'Net Zero' emissions by 2030 are criticized for high costs (trillions) with minimal measurable impact due to the EU's relatively small share of global emissions in the 21st century.

DARPA

A U.S. defense department agency with a significant budget for scientific research, used as a comparative benchmark to highlight the historically low R&D investment in energy in the United States.

Copenhagen Consensus Center

A think tank led by Bjørn Lomborg, focused on identifying the most effective solutions to global problems by using cost-benefit analysis.

Yale University Climate Communication Program

A research group that conducts the 'Six Americas Study,' which carefully charts public beliefs on climate change, identifying different segments from 'dismissive' to 'alarmed.'

Intergovernmental Panel on Climate Change

The leading international body for assessing climate change. It compiles and summarizes peer-reviewed scientific literature in large volumes, considered the 'gold-plated version' of climate knowledge, but its reports' interpretations in media are a source of alarmism.

Stanford Energy Modeling Forum

A group that aggregates different economic models related to energy and climate, used by Lomborg as a source for his cost estimates.

African Union

An organization that supports using gene-editing technology like CRISPR to eliminate disease-causing mosquitoes, prioritizing immediate health benefits over precautionary principles.

MIT

Renowned academic institution, home to hurricane and climate scientists like Kerry Emanuel. Also mentioned for its Media Lab and emphasis on demonstrating scientific work.

Bloomberg Government

The source of an analysis in 2013 indicating that 75% of New York City's buildings in 2050 would already exist, posing a challenge for decarbonization efforts.

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