Why our Brains Don't Fear Climate Change Enough
Harvard psychologist Dan Gilbert explains why humans struggle to act on climate change, a non-agentic, non-immediate, and non-moral threat. He and Dr. Laurie Santos discuss psychological biases that hinder action and explore strategies, like leveraging social proof and systemic change, to motivate more effective responses.
Deep Dive Analysis
14 Topic Outline
Introduction to Climate Change and Human Psychology
Human Brain's Limited Threat Detection System
Four Features That Trigger Threat Response
Agentive Threats: The Need for a Face
Intentionality: Why Intent Matters More Than Harm
Moral Harms and the Power of Outrage
Instantaneous vs. Slow-Moving Threats
Human Adaptation to Gradual Environmental Decline
Harnessing Social Norms for Climate Action
Crafting Messages for Specific Demographics
The Impact of Immediate Climate Damage
Imagining Positive Futures: Carrots Over Sticks
Affective Forecasting and Sustainable Behavior
Systemic Change vs. Individual Action for Climate
7 Key Concepts
Expected Utility
A logical method proposed by Pascal and Fermat to assess threats by multiplying their likelihood and magnitude. However, human brains are not naturally evolved to compute this utility, instead relying on more primal threat responses.
Agentive Threats
Dangers that are perceived to originate from an identifiable person or group, which strongly activate human threat response systems. Our social nature makes us highly attuned to actions and intentions of other people, even if the actual harm is less.
Intentionality of Harm
The psychological impact and perceived severity of harm are significantly increased when the harm is believed to be deliberate. People are more likely to react with anger and seek justice for intended harm, even if the physical damage is less than accidental harm.
Moral Harms
Violations of social norms, fairness, or personal honor that trigger powerful emotional responses like outrage, even without direct physical injury. These harms often relate to insults or perceived injustices that threaten one's social standing or values.
Adaptation/Habituation
The inherent human ability to adjust and get used to new circumstances over time. While beneficial for coping with personal misfortunes, this capacity can be detrimental when facing slow-moving threats like climate change, as gradual changes go unnoticed or unchallenged.
Affective Forecasting
The process by which individuals predict their future emotional states or how they will feel about future events or choices. This process is often flawed, leading people to misjudge the actual difficulty or satisfaction associated with new behaviors, such as adopting sustainable practices.
Illusion of Uniqueness
A cognitive bias where individuals believe their personal experiences and future outcomes are distinct from those of others. This bias causes people to undervalue the insights and experiences of others when making predictions about their own future feelings or behaviors.
10 Questions Answered
Humans are evolutionarily wired to respond to immediate, agentive, intentional, and moral threats, but climate change lacks these features, making it difficult for our brains to perceive it as an urgent danger.
Humans react strongly to threats that are agentive (from people), intentional (meant to cause harm), moral (insults or injustices), and instantaneous (happening immediately).
The intention to harm is often more critical than the actual harm inflicted; we feel more pain and react more strongly when we believe someone is deliberately trying to hurt us, making accidental harm less alarming.
Moral harms, which are often perceived as insults or attacks on values, activate our sense of justice and social hierarchy, leading to powerful outrage that environmental issues often fail to trigger without a clear agent or intent.
Our remarkable capacity to adapt means we gradually get used to slow, incremental changes, like increasing pollution or temperature, preventing us from noticing or objecting to the cumulative negative effects of climate change.
Yes, individual actions like installing solar panels or reusing towels can create social norms, making others more likely to adopt similar behaviors because humans tend to emulate what they see others doing.
Strategies include appealing to social norms (showing what neighbors do), framing issues as moral violations, using positive economic incentives ('carrots'), and providing clear actions to avoid negative outcomes.
Fear messages are only effective if they are accompanied by clear, actionable steps people can take to avoid the feared outcome; without such guidance, people tend to tune out or become overwhelmed.
Instead of relying solely on imagination, which is often flawed, people should consult the experiences of others who have already adopted those changes, as their testimony provides a more accurate forecast.
While individual actions contribute, systemic change through voting for governments that implement policies to regulate industries (e.g., fossil fuels) is argued to have a much larger and more lasting impact on the problem.
17 Actionable Insights
1. Prioritize Systemic Change Over Individual Action
Focus on advocating for systemic changes (e.g., through government policies and voting) to address large-scale problems like climate change, rather than solely relying on individual behavior changes. People are often too flawed to consistently defy their nature for individual actions, making institutionalized solutions more effective for widespread impact.
2. Vote for Climate-Focused Governance
Vote for governments that are committed to stopping the use of fossil fuels and implementing systemic changes, rather than placing the burden solely on individual actions like changing light bulbs. This is presented as the most impactful way to address climate change, as individual actions are often “working around the margins” compared to governmental policy.
3. Harness Social Norms for Good
To encourage environmentally friendly behavior (e.g., reusing towels, reducing electricity), highlight that “most people” are already engaging in that behavior. Humans are driven to conform to social norms, believing that if others are doing something, it must be the right thing to do.
4. Employ Social Comparison for Conservation
Implement systems that allow individuals to compare their resource consumption (e.g., electricity usage) with that of their neighbors. This leverages the human desire to conform and avoid embarrassment, motivating people to reduce their consumption to match or exceed their peers.
5. Highlight Economic Benefits of Climate Action
Frame actions to address climate change by highlighting economic benefits, such as job creation and a vibrant new economy, rather than solely focusing on fear or problems. This approach is more effective at motivating people to do the right thing by showing attractive opportunities.
6. Pair Fear with Clear Actions
When communicating about threats (like climate change), accompany fear-inducing messages with clear, actionable steps people can take to avoid the feared outcome. Fear messages alone are not effective if people don’t know what to do; clear actions make them effective.
7. Frame Undesirable Acts as Moral Violations
Frame undesirable behaviors (e.g., littering) as moral violations or insults, especially when they can be attributed to an “agent” or “somebody.” This activates moral outrage, a powerful emotion that drives people to take action.
8. Tailor Messages to Demographics
When designing campaigns for behavioral change, craft messages that specifically appeal to the pride, values, or identity of the target demographic. Tailored messaging can be highly effective in driving significant behavioral change, as demonstrated by the “Don’t Mess with Texas” campaign.
9. Trust Others’ Experiences Over Imagination
When trying to predict how you will feel about a future action (e.g., buying an EV), consult the actual experiences of people who have already taken that action. Others’ testimony is a more accurate forecast than your own imagination, which often makes errors in “affective forecasting.”
10. Overcome Illusion of Uniqueness
Recognize and overcome the “illusion of uniqueness” by understanding that human beings are often more alike than expected, making others’ experiences a reliable guide for your own future feelings and outcomes. This helps in making more accurate predictions about your future happiness and avoiding errors in affective forecasting.
11. Observe Green Living Role Models
Pay more attention to and learn from people who have already adopted more environmentally friendly ways of living. This helps in overcoming personal biases like the “illusion of uniqueness” and provides more accurate information about the practicalities and benefits of sustainable actions.
12. Find Joy in Sustainable Actions
Identify and engage in sustainable actions that also bring personal happiness or put you in a good mood (e.g., biking to work). This approach makes tackling climate change more appealing and sustainable for individuals, moving beyond just doom-and-gloom framing.
13. Confront Climate Challenge Directly
Deal with the climate crisis directly and head-on, rather than turning away or going into denial mode. Confronting the crisis and doing your part can make you feel happier than expected.
14. Navigate Negative Emotions, Find Optimism
Learn ways to navigate negative emotions like fear, anger, and helplessness related to climate change, and strive to experience optimism. Dealing with the crisis head-on and doing your bit can make you feel happier and more confident.
15. Be an Environmental Role Model
Engage in environmentally friendly actions (e.g., installing solar panels) not just for their direct impact, but also to set an example for others in your community. Human beings define “normal” by what they see others doing, creating cascading effects where your actions make similar behaviors seem reasonable and encourage others.
16. Personalize Abstract Problems with an Agent
To increase public engagement and outrage about abstract problems (like climate change), try to identify a specific “face” or agent responsible for the issue. Humans are evolved to respond to agentic threats, and attributing blame to an individual can make the problem feel more immediate and intentional, potentially increasing emotional response.
17. Overcome Personal Green Living Worries
Actively work on overcoming personal “dumb worries” or perceived difficulties associated with adopting more sustainable behaviors, such as buying an electric vehicle. These worries are often based on inaccurate affective forecasting, and overcoming them can lead to unexpected happiness and positive environmental impact.
8 Key Quotes
Why are we not equally concerned about all things that have killed even more people in our country, ranging from climate change to the flu?
Dan Gilbert
Climate change has none of the features that trigger this threat response system in the human brain.
Dan Gilbert
Whether people intend to harm us or not is almost more important than the harm they inflict.
Dan Gilbert
Your moral point is really important because it suggests that climate change can make us scared, but it doesn't make us outraged.
Laurie Santos
We are world champion habituators and adapters.
Dan Gilbert
Human beings want to be like most people. If everyone's doing it, it's probably the right thing, so I should do it too.
Dan Gilbert
The problem is this was the kind of threat you needed to respond to before it arrived. Once it has arrived, it's too late.
Dan Gilbert
If you really care about the climate instead of changing your light bulbs or worrying about carbon offsets, you should vote.
Al Gore (quoted by Dan Gilbert)