Having completed several degrees in environmental science, Hannah Ritchie nearly left the field out of helplessness and frustration, worried she would never make a real difference. Today, she's a passionate advocate for changing climate messaging, replacing what she believes are paralyzing--and often false--claims with empowering arguments that people can embrace. Listen as the head of research at Our World in Data talks with EconTalk host Russ Roberts about food emissions, low-carbon technologies, and what the data shows about what matters (and what matters much less) when it comes to climate change.

Economic historian Judge Glock talks to EconTalk host Russ Roberts about zoning and the housing market. Glock argues the impact on zoning on housing affordability is small and that we should learn to love property taxes as long as they're administered properly. The conversation includes a discussion of the environmental impact of urban sprawl--Glock argues sprawl has certain environmental benefits.

Economist and author Arnold Kling talks with EconTalk host Russ Roberts about the recent drama in the tech world--Elon Musk's acquisition of Twitter, the collapse of FTX, and the appearance of ChatGPT. Underlying topics discussed include the potential for price discrimination to make social media profitable, whether you could tell Jeff Bezos from Sam Bankman-Fried early on, and the role of human beings in the world of artificial intelligence.

In our highly polarized times, everyone seems obsessed with the truth: what is it, who has it, and which side's got it all wrong. What we don't seem to care about, says journalist Monica Guzman, is the truth behind perspectives other than our own. Listen as Guzman and host Russ Roberts discuss Guzman's book I Never Thought of It That Way, a call to get interested in the people behind the positions, and the experiences, hopes, and fears that lead to their beliefs. Guzman and Roberts also discuss the role of great questions in sparking meaningful conversations, and how we can not only get along with, but even learn from, those with whom we ardently disagree.

How does the mind work? What makes us sad? What makes us laugh? Despite advances in neuroscience, the answers to these questions remain elusive. Neuroscientist Patrick House talks about these mysteries and about his book Nineteen Ways of Looking at Consciousness with EconTalk host Russ Roberts. House's insights illuminate not just what we know and don't know about our minds--he also helps us understand what it means to be human.

Annie Duke is angry that quitting gets such a bad rap. Instead of our relentless focus on grit and "going for it," the former professional poker player, decision strategist, and author of Quit wants us to recognize the costs associated with sticking to a losing outcome. Listen as she explains to EconTalk host Russ Roberts how society's conflation of grit with character has made quitting unnecessarily hard, and why our desire for certainty harms our decision-making ability. Additional topics include the flawed mental accounting that makes us confuse wins for losses, what we can learn from ants, and the tragic story of how the refusal to quit cost 16 lives one terrible night at the top of Mt. Everest.

When the 20-year-old overachiever Johnathan Bi's first startup crashed and burned, he headed to a Zen retreat in the Catskills to "debug himself." He discovered René Girard and his mimetic theory--the idea that imitation is a key and often unconscious driver of human behavior. Listen as entrepreneur and philosopher Bi shares with EconTalk host Russ Roberts what he learned from Girard and Girard's insights into how we meet our primal need for money, fame, and power. The conversation includes the contrasts between economics and Girard's perspective.

Suppose all of humanity was infected by a virus that left us all infertile--no one will come along after us. How would you react to such a world? Agnes Callard of the University of Chicago says she would be filled with despair. But why does this seem worse than our own inevitable deaths? Callard speaks with EconTalk host Russ Roberts about the meaning of life, and what exactly about the end of humanity is so demoralizing. The conversation concludes with a discussion of whether humanity is making progress.

When everyone is carrying a camera in their pocket, what raises the act of taking pictures to the level of fine art photography? Jessica Todd Harper, the award-winning portrait photographer, says that it's equal parts mindset and technique--and lots of setting the stage to seize that perfect light. Listen as Harper speaks with EconTalk host Russ Roberts about her desire to capture the complexity of life in a single image, why family relationships and home life are her chosen subjects, and the integral role beauty plays in her images, despite its diminished status in art today.

Economist and political scientist Michael Munger of Duke University talks about industrial policy with EconTalk host Russ Roberts. Munger argues that in a democracy, the default outcome for industrial policy is crony capitalism--attempts to improve on that outcome either by appointing experts or eliminating cronyism are going to fail for political reasons. The conversation concludes with a discussion of the reliability of Munger's claim and what options are left for dissatisfied reformers.