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Environment, agriculture & food systems: videos Hacker News recommends
Environment and farming: conservation, pollution, plastics, recycling, water, deforestation, farming, regenerative agriculture, fisheries, food supply, vertical farming, sustainability. Below: every video in this topic that at least three HN users linked with real commentary, in at least three different months (30 explainers, 27 documentarys, 15 talks), best-scored first, with the comments on each video page.
- 10 HN recommenders 12 months 2019–2024F Farm Transparency Project · documentaryHN commenters push it, often forcefully, as the video to watch to see what factory farming really involves, and some say it changed their diet.
- 12 HN recommenders 11 months 2019–2025L Living Web Farms · talkHN commenters call it their favorite introduction to regenerative agriculture, and several say it changed how they garden or farm.
- 13 HN recommenders 10 months 2010–2025W wonderingmind42 · lectureA perennial HN recommendation for building intuition about exponential growth, cited whenever endless growth, energy or population come up.
- 9 HN recommenders 9 months 2013–2023HN commenters bring it up in climate and food threads as a hopeful, if contested, idea about grazing and soil carbon.
- 4 HN recommenders 8 months 2017–2023A Agenda Gotsch · documentaryHN users repeatedly offer it as the best introduction to agroforestry as a climate and food solution.
- 10 HN recommenders 8 months 2021–2026HN commenters recommend it as a counterpoint to claims about beef's environmental cost, though some critique its methane argument.
- 7 HN recommenders 7 months 2020–2025Linked in urbanism and car-dependence threads as a concise case for walkable fresh-food shopping.
- 5 HN recommenders 6 months 2015–2023T Transcend Productions · talkHN readers share it as a persuasive, first-hand account of regenerative agriculture, citing its claims about soil organic matter, yields and reduced fertilizer use.
- 6 HN recommenders 6 months 2020–2023HN commenters cite it whenever rocket launch pollution comes up as a rebuttal to alarm, since it shows launches are small next to other sources.
- 6 HN recommenders 6 months 2022–2026HN commenters recommend it whenever leaded fuel, toxic chemicals or corporate profit motives come up, praising its storytelling and accessible science.
- 12 HN recommenders 5 months 2026HN repeatedly recommends it as an up-to-date, fact-focused case for solar and batteries that readers can cite on land use and costs.
- 6 HN recommenders 5 months 2016–2023L lXlSalemlXl · lectureHN commenters cite it as a mind-changing introduction to exponential growth, though some note his peak oil predictions did not pan out.
- 4 HN recommenders 5 months 2015–2021C CrashCourse · explainerHN recommends the series as a funny, coherent high-school-level overview of world history that teaches a lot in a few hours.
- 2 HN recommenders 6 months 2015–2024O Oxford Real Farming Conference · talkHN commenters cite her as the explanation for why soil biology, not added fertilizer, drives plant nutrition and farm results.
- 3 HN recommenders 5 months 2020–2023HN commenters cite it as a short, accessible overview of the climate and water case for plant-based meat.
- 5 HN recommenders 5 months 2022–2023Recommended in greenwashing and offset threads as a well-sourced, detailed explanation of how offsets underdeliver.
- 4 HN recommenders 5 months 2017–2025U Utah State University Extension · lectureHN uses it as the go-to rebuttal to vertical farming hype, since it gives hard numbers from a leading controlled-environment authority.
- 3 HN recommenders 5 months 2019–2023E Erin Janus · commentaryHN commenters in veganism and food threads link it as a short, info-dense explanation that some say opened their eyes, though others dispute it.
- 4 HN recommenders 4 months 2018–2022Recommended as an engaging, down-to-earth talk on the world-changing potential of fungi.
- 5 HN recommenders 5 months 2019–2021H Hiroob · lectureTreated as the classic lecture on why people misjudge exponential growth, and pulled out in threads on compound growth, epidemics, crypto and resource limits.
- 4 HN recommenders 5 months 2019–2025H Happen Films · documentaryShared in climate and land-use threads as a vivid example of how letting land regrow can restore forest.
- 4 HN recommenders 4 months 2017–2025K KQED Arts · documentaryHN recommends it as an engaging, funny and fascinating documentary, and cites it in threads on the Salton Sea's history and environmental decline.
- 3 HN recommenders 4 months 2020–2021A Apogee Instruments Inc. · lectureCited in vertical farming debates as a rigorous look at when indoor crops are economically viable.
- 4 HN recommenders 4 months 2021–2025HN points to it as a well-researched, accessible overview of PFAS in PFAS-related threads.
- 5 HN recommenders 4 months 2021–2026Commenters send it as a short, entertaining explanation of why people believe plastic is recyclable and how industry PR created that belief.
- 4 HN recommenders 4 months 2019–2026HN commenters bring it up in geothermal, greenhouse and vertical farming threads as a low-tech example of growing citrus in a cold climate.
- 4 HN recommenders 4 months 2014–2022S Sustainable Human · explainerHN cites it as the go-to example of how one keystone species can reshape an entire ecosystem.
- 3 HN recommenders 3 months 2016–2025HN treats it as a tiny practical life hack some adopt for good, while others mock it as peak TED.
- 3 HN recommenders 3 months 2023–2026HN recommends it as a clear introduction to chinampas and an example of productive agroforestry.
- 3 HN recommenders 3 months 2025–2026Recommended as a good, accessible explanation of PFAS, its low safe limits and why regulation matters.
- 3 HN recommenders 3 months 2015–2018C Christopher He · documentaryRecommended as an accessible, powerful introduction to severe urban air pollution, remembered also for being banned in China.
- 2 HN recommenders 3 months 2025–2026B Business Insider · documentaryCited in threads on AI infrastructure as evidence of the water, power and community costs of data centers.
- 3 HN recommenders 3 months 2021–2022HN commenters point to it as a hopeful example of land and water management restoring landscapes and livelihoods at village scale.
- 3 HN recommenders 3 months 2015–2025HN recommends it as a thoughtful counterpoint to the pursuit of complicated, consumption-driven lives.
- 3 HN recommenders 3 months 2017–2020S SDA-Network · documentaryCited in climate and carbon-removal threads as an inspiring example of re-greening deserts.
- 3 HN recommenders 3 months 2018–2020Offered as the quick, clear explainer on US federal land ownership whenever land use in the West comes up.
- 3 HN recommenders 3 months 2024–2026HN points to it in Colorado River and water-use threads as an accessible explainer of why the Western water shortage keeps getting worse.
- 3 HN recommenders 3 months 2018–2022Cited in climate and water threads as an encouraging example of large-scale landscape restoration.
- 3 HN recommenders 3 months 2025–2026Recommended in regreening and desertification threads as an optimistic, constructive example of land restoration.
- 3 HN recommenders 2 months 2025–2026Recommended as a clear, evidence-backed introduction to the economics of animal welfare in meat and egg production.
- 2 HN recommenders 2 months 2023–2025S Sustainable Human · explainerHN cites it as a compelling example of unforeseen ecosystem effects and rewilding.
- 2 HN recommenders 2 months 2022–2023I Iowa Pork Industry Center · talkRecommended for its bleak take on globalization, energy and food supply, though some commenters question how objective it is.
- 2 HN recommenders 2 months 2020–2023N NEXT - Les Mondes Sensibles (byThePassengerStudio) · explainerHN commenters post it in climate threads as a clear explanation of overshoot and declining carrying capacity.
- 2 HN recommenders 2 months 2013–2018HN cites it as a neat example of urban aquaponics and as a plausible alternative path for people leaving programming.
- 2 HN recommenders 2 months 2022–2023Pointed to as a cheap, hands-on example of home algae cultivation.
- 2 HN recommenders 2 months 2014–2024D Dadniel · comedy videoHN quotes it in environmental threads as a famous, darkly funny take that the planet will outlast humanity.
- 2 HN recommenders 2 months 2019–2025Cited as a sourced overview of what organic means and how it compares on pesticides and nutrition.
- 2 HN recommenders 2 months 2014–2023B Boston University · talkHN cites it for Dyson's contrarian take on global warming and soil carbon.
- 2 HN recommenders 2 months 2021–2022HN commenters cite it as a clear, well-sourced summary of why meat, especially beef, has such a large environmental footprint.
- 3 HN recommenders 2 months 2018Offered as a concrete, human example in right-to-repair discussions of how software lock-in affects expensive equipment.
- 2 HN recommenders 2 months 2019–2023HN cites it as the best-documented example of landscape-scale restoration working, with striking before and after footage from the Loess Plateau.
- 2 HN recommenders 2 months 2022–2024Used as the explanation behind the free-lithium-cell scavenging idea in threads about vapes and battery reuse.
- 2 HN recommenders 2 months 2018–2021Cited in animal-welfare and environmental threads as a short, thought-provoking piece on how humans treat animals.
- 2 HN recommenders 2 months 2019–2022HN people recommend it as a short, contextualizing explainer on declining crop nutrient density.
- 2 HN recommenders 2 months 2016–2026HN commenters cite it in threads about indoor air quality, CO2 and houseplants as a cheap, low-tech approach.
- 2 HN recommenders 2 months 2021–2023O Oki's Weird Stories · explainerCited as support for the claim that chemicals affect amphibian sex and as an example of corporate influence over regulation.
- 1 HN recommenders 2 months 2017–2020B biopilz · documentaryHN commenters point to it as an overview of the Club of Rome's work in threads on systems thinking and collapse.
- 3 HN recommenders 2 months 2018–2021Recommended in tree-planting and carbon removal threads as a sourced explanation of why greening deserts is not a simple climate fix.
- 2 HN recommenders 2 months 2023–2025J JerryRigEverything · explainerHN points to it as evidence that battery recycling is more advanced and practical than people assume.
- 2 HN recommenders 2 months 2019–2025Referenced as the explanation of shade balls and used in discussions of evaporation and floating covers.
- 2 HN recommenders 2 months 2020–2021HN commenters recommend it as a long, engaging introduction to Stamets and his fungi work.
- 1 HN recommenders 1 months 2020–2023HN recommends it as an eye-opener on how recycling was promoted by the plastics industry despite not working.
- 1 HN recommenders 1 months 2017–2022HN cites it in climate and diet debates as a contrarian perspective that cattle on managed pasture can be part of the solution.
- 1 HN recommenders 1 months 2020–2021D DW Documentary · documentaryRecommended as a fascinating watch in threads on leaking wrecks and oil spills.
- 2 HN recommenders 1 months 2021–2023Linked in fuel and aviation threads as the full story on why ethanol and biofuels are energy-negative or inefficient.
- 2 HN recommenders 1 months 2019–2022F Foresight Institute · talkHN commenters call it a fantastic talk and cite it in climate threads for the carbon debt framing and tree-planting cost estimates.
- 1 HN recommenders 1 months 2016–2020Cited in repair and recycling threads as Apple's showcase of its iPhone disassembly robot, and sometimes mocked as marketing for what is really shredding.
- 1 HN recommenders 1 months 2025Pointed to as a relevant, recent deep dive whenever Monsanto, GMO seeds or glyphosate safety come up.
- 1 HN recommenders 1 months 2021HN cites it as a clear explanation of how industry shifted recycling responsibility onto consumers and why most plastic isn't recycled.
- 1 HN recommenders 1 months 2024–2026Mentioned occasionally as an episode on environmental toxins in food and water, though one commenter lumps it in with unregulated quackery.
- 1 HN recommenders 1 months 2014–2021W William D McMaster · documentaryHN commenters share it as an inspiring example of one person restoring an ecosystem by planting trees.
- 1 HN recommenders 1 months 2021–2026HN uses it as a well-known example of infrastructure that must run forever to keep an area habitable.
- 1 HN recommenders 1 months 2022–2023A Al Baydha · documentaryHN cites it as encouraging evidence that deserts can be regenerated and greened.
- 1 HN recommenders 1 months 2018–2022T Trees for Life · talkCited in ecology threads as background on how overgrazing prevents Scottish forests from regenerating.
- 1 HN recommenders 1 months 2022–2026B Business Insider · explainerCited in threads on textile waste and clothing supply chains as an example of an industrial recycling attempt, with some skepticism about how far it progressed.
- 1 HN recommenders 1 months 2023–2025B Bloomberg Podcasts · podcast episodeLinked in water and Arizona threads to explain why desert farming is more productive than people assume.
- 1 HN recommenders 1 months 2018–2021S Savory Institute · documentaryOffered as further reading in threads about carbon removal, regenerative agriculture and holistic grazing.
- 1 HN recommenders 1 months 2014–2025HN points to it when discussing litter and civic neglect in India, as an example of anonymous citizen-led cleanup.
- cited 4× 0 months 2019–2023T TheNorthwestReport · demoHN cites it as an example of the skill of sling-load helicopter pilots.
- cited 3× 0 months 2022–2023Linked in microplastics and recycling threads as a debunking of a viral statistic.
- cited 3× 0 months 2016–2020T The Permaculture Zone · documentaryHN cites it as a realistic example of productive mountain farming and of growing hardy crops in cold alpine conditions.
- cited 7× 0 months 2019–2026HN uses it as the standard debunking to cite whenever a new water-from-air device is announced.
- cited 3× 0 months 2023–2025C Cleo Abram · explainerHN cites it in nuclear power debates for the point that recycling waste is largely a solved problem, though costly to build.
- cited 4× 0 months 2015–2020F FoodAbundance · documentaryHN cites it as proof of how much food a very small urban plot can produce.
- cited 4× 0 months 2019–2023J jarritoburrito · comedy videoIt is posted as a punchline in threads about invasive species, pests and well-meant environmental fixes with side effects.
- cited 3× 0 months 2014–2026HN cites it as the introductory talk from the Open Source Ecology founder in threads on tractors, repair rights and self-sufficiency.
- cited 4× 0 months 2016–2019D Devon Contract Waste · documentaryHN links it as a concrete example of the scale and speed of automated recycling sorting.
- cited 6× 0 months 2019–2025Cited as the source for claims that PVC records outgas harmful compounds, usually in vinyl revival threads.
- cited 4× 0 months 2017–2020O Oxbo · demoHN cites it as evidence that commercial berry harvesting is done by mechanical shaking and agitation, in contrast to slow picking robots.
- cited 10× 0 months 2021–2025Used as a source for back-of-envelope numbers on tree planting and by critics of feel-good climate gestures.
- cited 4× 0 months 2015–2017HN commenters reference it as a source in threads on food waste, donation and landfill methane.
- cited 4× 0 months 2017–2019Cited in recycling and plastic-waste threads as an entertaining take on corporate blame-shifting.
- cited 3× 0 months 2017–2026E Emperor Ing · comedy videoQuoted as a joke in threads about plastic, climate and the meaning of life.
- cited 7× 0 months 2018–2024HN commenters cite it as a vivid demonstration that roadside and tire/pavement dust contains recoverable platinum.
- cited 5× 0 months 2019–2025N National Fire Protection Association · explainerHN commenters cite it as a source for the research showing that simple home-ignition-zone measures raise a house's chance of surviving a wildfire.
- cited 4× 0 months 2019–2023Used as supporting evidence in threads on farming that farmers are smart, skilled and quantitative.
- cited 4× 0 months 2018–2025R Radio Free Asia · documentaryCited as a documentary look at gutter oil and as an example of restaurant cost-cutting and food safety problems.
Questions
What is the most recommended environment, agriculture & food systems video on Hacker News?
Dominion (2018) - full documentary [Official] by Farm Transparency Project: HN commenters push it, often forcefully, as the video to watch to see what factory farming really involves, and some say it changed their diet.
How is this environment, agriculture & food systems list ranked?
By HackerTube's score: the number of distinct months in which an HN comment recommended the video, plus half a point for every month with a strong recommendation. One viral thread counts less than steady recommendations over years.
Where do the videos come from?
From every Hacker News comment between 2007 and 2026 that linked a YouTube video, labeled by an AI model as a recommendation, a citation, a joke or a criticism. The list is published by HackerTube under ODC-By 1.0; this edition adds indexable pages and the comment context.
Video list and Hacker News comment labels from HackerTube (prompted by @karpathy), released under ODC-By 1.0, built on the open-index/hacker-news archive. Hacker News data is provided by Y Combinator; comments remain the work of their authors. Video titles, channel names and thumbnails belong to their creators and are shown via YouTube. HackerTube Watch is an unofficial edition. Data export of 2026-10-31.