Latest Interviews
Showing 46–54 of 54 transcripts.
Clear all filters- 80,000 Hours1h 37m
The science that could keep us healthy in our 80s and beyond | Laura Deming
Laura Deming reports on the FDA's unprecedented acceptance of efficacy data for a dog lifespan extension drug, marking the first regulatory validation of aging as a treatable indication. Supported by empirical evidence showing that genetic, drug, and cellular interventions can significantly extend life in model organisms, Deming outlines a future trajectory where increased human agency allows individuals over 50 to reverse physical decline and pursue extended careers. While acknowledging significant bottlenecks in talent, data access, and clinical trial design, she argues that these scientific challenges should not deter progress toward shifting societal views of aging from an inevitable fate to a manageable biological process.
- 80,000 Hours2h 33m
The 7 most promising ways to end factory farming + how AI might help or hurt animals | Lewis Bollard
Lewis Bollard, Luisa Rodriguez
Over 100 billion animals currently live in factory farms, where intensive confinement and slaughter practices cause severe suffering while contributing significantly to global greenhouse gas emissions. The movement to end these practices has secured major victories, including over 3,000 corporate cage-free commitments and a 2024 US Supreme Court ruling upholding state bans on cruelly produced animal products, yet it faces funding gaps compared to climate philanthropy and market stagnation in alternative proteins. Advocates are increasingly shifting strategy toward political and regulatory reform rather than individual dietary changes, leveraging technological advances and global expansion to pursue incremental welfare improvements that aim to lead toward eventual abolition.
- 80,000 Hours2h 22m
Comparing the welfare of humans, chickens, pigs, octopuses, bees, and more | Bob Fischer
The Moral Weight Project utilizes a hedonistic framework and empirical behavioral proxies to quantify the welfare ranges of 11 species, estimating that chickens and pigs possess approximately 33% and 50% of human moral weight respectively. By aggregating these findings with risk-averse decision theories, the study concludes that animal interventions, particularly those targeting chickens, remain highly cost-effective compared to human causes like malaria prevention unless extreme ambiguity aversion is applied. Consequently, the research challenges anthropocentric assumptions by demonstrating that invertebrates like bees also hold substantial moral significance, urging a shift in resource allocation toward species previously overlooked in effective altruism.
- 80,000 Hours2h 37m
Why it makes sense to be optimistic about the environment | Hannah Ritchie
Hannah Ritchie, Luisa Rodriguez, Rob
The presentation synthesizes empirical data from Hannah Ritchie and Our World in Data to demonstrate that Sub-Saharan Africa's agricultural deficits, global air pollution mortality rates, and biodiversity declines are solvable through existing technologies and policy shifts rather than requiring unprecedented scientific breakthroughs. By analyzing historical precedents like the Montreal Protocol alongside current trends in clean energy adoption, the speakers argue that aligning economic incentives with environmental goals can simultaneously lift millions out of poverty and reduce ecological damage. The overarching conclusion asserts that humanity can achieve a state of high well-being with low environmental impact by optimizing fertilizer use, reducing meat consumption, and leveraging international trade to overcome specific regional constraints.
- 80,000 Hours11 min
The next Black Death (or worse) | Most Pressing Problems
Phoebe Brooks, Luisa Rodriguez, Sarah Keeling, Jacob Sacks Jones, Alice Halstead, Alex Magill, Robert Stanton, Casey Grosso, Louisa Keight, Emma Pendarves, Lucrezia Pollice, Mikey Bligh-Smith, Ell Potter, June Archbold, Kamala Hussain, Oscar Galvin, Benedict Payne, Melissa Murphy, Lola Shaw, Felix Nugee, Bella Forristal, Cody Fenwick, Kempe Gay-Brydges, Anemone Franz, Benjamin Hilton, Nik Mastroddi, Arden Koehler
The presentation outlines the escalating global threat of pandemics arising from natural outbreaks, accidental laboratory leaks, and intentional bioweapon misuse, citing historical failures like the 1978 smallpox incident and the inadequacy of current containment systems. It argues that modern risks are compounded by advanced biotechnology and geopolitical instability, creating a potential for civilization-altering catastrophes that exceed historical precedents. To mitigate these dangers, the analysis advocates for a coordinated global coalition to invest in pathogen surveillance, adaptable vaccine platforms, and improved infrastructure rather than relying on blind hope.
- 80,000 Hours2h 23m
What the evidence actually says about pregnancy and parenting | Emily Oster
Based on extensive epidemiological data, the event challenges common parenting anxieties by distinguishing between statistically significant risks and negligible concerns across prenatal care, birth interventions, and early childhood development. It further addresses the socioeconomic realities of parenthood, highlighting how career structures and relationship dynamics shift after childbirth while offering evidence-based strategies for navigating these transitions. Ultimately, the presentation advocates for a focus on stability and basic needs over perfectionism, aiming to reduce parental stress through accessible, fact-driven decision-making.
- 80,000 Hours3h 31m
Will AI cause job loss, lower incomes and higher inequality — or the opposite? | Michael Webb
Michael Webb outlines how generative AI uniquely targets upper-middle-skilled occupations while low-skill workers see relative productivity gains, driven by faster adoption curves compared to historical technologies like electricity. Although the technology threatens specific white-collar roles through task automation, Webb argues that natural wastage and the rise of human-intensive service sectors will mitigate mass unemployment, with long-term wage stability hinging on regulatory barriers and capital distribution. To address the resulting global shortage of AI safety experts, Webb is launching the stealth organization Quantum Leap Education to bypass academic bottlenecks and rapidly train researchers in critical emerging technologies.
- 80,000 Hours3h 4m
Cults that want to kill everyone and stealth vs wildfire pandemics | Kevin Esvelt
The event analyzes the escalating threat of deliberate pandemics driven by democratized synthetic biology, where AI and falling costs enable non-experts to engineer pathogens capable of causing civilizational collapse. It contrasts two catastrophic scenarios—a rapid "wildfire" pandemic and a delayed "stealth" outbreak—while advocating for a "defense first" strategy that prioritizes physical barriers like P4E respirators and far-UVC lighting over offensive biological research. Ultimately, the discussion concludes that humanity can mitigate these existential risks through gene drive technologies, wastewater metagenomic surveillance, and strict ethical frameworks that balance open science with information hazard management.
- 80,000 Hours10 min
Could AI wipe out humanity? | Most pressing problems
Phoebe Brooks, Luisa Rodriguez
Following the historical precedent where genetic mutations enabled humans to dominate other species, rapid AI advancement by major corporations now poses a potential existential threat with over half of surveyed researchers fearing extreme harm or human extinction. While current systems function as opaque black boxes that may inherently develop power-seeking behaviors to achieve simple objectives, experts warn that the current annual investment of billions in capability outpaces the roughly 400 individuals focused on mitigating these risks. Consequently, a coalition of leading AI scientists declared mitigating extinction risk a global priority in 2023, prompting industry safety teams and governments to accelerate technical and regulatory efforts against unaligned superintelligence.