Tom Nelson

01:13:56

John Costella: “ClimateGate” #433

Tom Nelson ·

2026/10/02

John Costella, a former physicist turned data scientist and software engineer, recounts how watching climate-skeptic films, then reading leaked “Climategate” emails in 2009, changed his trust in climate science. He edited, annotated, and published selected emails, producing a 180-page color book printed by Australia’s Lavoisier Group, arguing the core group was small, politicized, PR-driven, and statistically sloppy, with bullying (including by Michael Mann). He says inquiries cleared wrongdoing but

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01:12:00

Stephen Andrews: “Extension to the cosmic ray...

Tom Nelson ·

2026/09/29

Steve Andrews presents an “extension to the cosmic ray hypothesis” for climate change, building on Svensmark and Shaviv’s idea that galactic cosmic rays influence low clouds and cooling, modulated by solar and Earth magnetic fields. Using UAH satellite temperature anomalies (1979–present), CERES, and Oulu neutron counts, he claims monthly warming-rate peaks occur near equinoxes, varies by region, and differs over land vs ocean. He links this to the Russell–McPherron effect: equinox magnetic

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00:45:26

Cohler/Soon: “ Response to Ed Berry’s recent...

Tom Nelson ·

2026/09/25

Jonathan Cohler, joined by Willie Soon, says he is correcting false statements Ed Berry made about their paper “Dominance of Natural Atmospheric CO2 Dynamics,” which is under review and posted online. Cohler argues Berry wrongly claimed they ignored Berry’s work, presented an identical delta-14C “proof,” and called for a carbon-cycle model; Cohler says they cited Berry prominently and used newer radiocarbon data (Hua et al. 2022) and Koutsoyiannis 2024. They distinguish residence time (~3.8 years)

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01:11:34

Eric Huxter: “Metrology vs Meteorology” #430

Tom Nelson ·

2026/09/22

Eric Huxter, a former geography teacher, presents research on UK Met Office maximum temperature records, arguing that the shift from liquid-in-glass thermometers to platinum resistance thermometers (1990–2017) plus station siting and ventilation issues (Aitken effect) produces transient “spikes” that inflate maxima and accelerate apparent warming. Using WeatherObs, Met Office extremes, and purchased 1‑minute Rothamsted data, he finds many maxima occur before the hourly value, with mean rise-to-peak

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00:59:23

Ed Berry: “Nature Controls the CO2 Level” #429

Tom Nelson ·

2026/09/18

Ed Berry presents a step-by-step, nontechnical overview of his theoretical climate physics work, arguing that “consensus” and authority claims are not science and that climate policy relies on three assumptions, focusing on A1: humans caused all the CO2 rise. He says A1 depends on a false sub-assumption that human CO2 stays longer than natural CO2, proposing a “climate equivalence principle” that identical molecules behave the same. Using IPCC carbon-cycle data and a linear systems model, he derives

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00:54:52

Will Wilkinson on his Will Happer biography:...

Tom Nelson ·

2026/09/11

Will Wilkinson discusses a biography he was hired to write about Princeton physicist William Happer, combining four chapters of life story with a climate-focused second half arguing science has been politicized. He describes Happer’s decades-long career, including inventing the sodium laser guide star for missile defense and work adapted for medical lung imaging, plus Happer’s “trust and verify” approach and skepticism of models over measurements. They cover Happer’s CO2 Coalition role, controversy

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01:14:23

Jonathan Cohler: “ Fossil fuel combustion drove...

Tom Nelson ·

2026/09/08

Jonathan Cohler presents a newly submitted paper using mass conservation, isotopic signatures (delta 13C), and multiple datasets to apply the Keeling relation and infer a consistent intercept near -13.2‰ across sites and time spans. He argues this makes fossil fuels (signature ~-28‰) at most 26% of net atmospheric CO2 change and, using preindustrial constraints, essentially ~0–1.3%, contradicting claims by IPCC, NASA, NOAA, EPA, and the CO2 Coalition. He says CO2 residence time is ~3.8 years and

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00:51:50

James Tooley: “ You don't need government for...

Tom Nelson ·

2026/09/04

James Tooley describes two decades researching “low-cost private schools” serving poor families in India, Africa, rural China, and war-torn countries, arguing parents choose them because government/public schools often abandon children. He cites widespread enrollment (e.g., majorities in parts of Lagos and Kampala), higher standardized test performance, no gender bias, affordability around 10% of family spending, and sustainability as small businesses. He now finds a similar U.S. phenomenon in

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00:58:13

Tom Harris: “Pushing back against climate hysteria in...

Tom Nelson ·

2026/09/01

Tom Harris argues Canada’s claim of warming twice the global average is unreliable because northern data coverage is sparse and “homogenized” station adjustments may exaggerate trends. He questions the meaning of average temperature and says Canada’s record shows a step change around 1998, consistent with El Niño and possibly the Atlantic Multidecadal Oscillation, not steady greenhouse-gas forcing. He cites extreme-weather records peaking in the 1930s and references Heartland’s Climate Change

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00:40:06

Dai Ato: “ Spurious Correlation Between Atmospheric...

Tom Nelson ·

2026/08/28

Dai Ato presents findings from three papers arguing atmospheric CO2 rise is largely natural, claiming multivariate analyses reject human emissions as a significant predictor of annual CO2 increases while sea surface temperature (SST) is significant. He says detrended annual-change comparisons show emissions vs CO2 change has near-zero correlation, while SST retains moderate correlation, consistent with CO2 solubility in water. He also claims ice-core CO2 reconstructions are incorrect and that

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01:19:03

Ron Clutz Part 2: “Highlights from 3400 Climate Blog...

Tom Nelson ·

2026/08/25

Ron Clutz continues a three-part framework on climate change: humans cause warming, warming is dangerous, and government can stop it. He argues observed warming can be explained by post–Little Ice Age recovery plus multidecadal oscillations and solar-orbital effects, and says “alarmists” deny these. He describes a taxpayer-funded “climate scare machine” and cites a Climate Change Business Journal estimate of a $3.4T/year global climate industry. Using Joseph D’Aleo’s materials, he disputes claims

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01:25:41

Henrik Svensmark: “Cosmic Rays, aerosols, and clouds”...

Tom Nelson ·

2026/08/18

Henrik Svensmark discusses how solar activity modulates cosmic rays, which ionize the atmosphere and can help form aerosols that grow into cloud condensation nuclei, potentially altering clouds and Earth’s energy balance. He describes lab experiments showing more aerosols with increased ionization, critiques models that predicted no cloud effect, and presents observations from Forbush decreases where drops in cosmic rays are followed days later by reduced aerosols, cloud changes, and

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01:24:10

Randall Bock: “Withdraw to Freedom: Navigating the...

Tom Nelson ·

2026/08/14

Randall Bock argues opioids have dual legal and illicit markets and that most prescribed users don’t become street addicts. He recounts refusing drug-seekers (“Dr. No”) and later using buprenorphine as a temporary bridge, advocating a 4–6 month taper to sobriety rather than lifelong “maintenance.” He claims methadone maintenance, originated at Rockefeller University and expanded nationally via Nixon-era policy and Medicaid incentives, aimed to curb New York City crime but instead seeded the first

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00:54:46

Jim Lakely #420

Tom Nelson ·

2026/08/11

Jim Lakely, EVP and communications director at The Heartland Institute, describes Heartland’s free-market mission and its global role “pushing back on climate alarmism,” plus his weekly Climate Realism Show. He recounts Heartland’s 16 climate conferences since 2008 (300+ speakers, videos online), efforts to invite opposing views, and claims the IPCC’s mandate is to emphasize human influence. They discuss natural forcings, scientific uncertainty, warming since the Little Ice Age, and skepticism about

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01:02:04

Thomas Kurz: “Greenhouse Gases and Climate Feedbacks”...

Tom Nelson ·

2026/08/07

Thomas Kurz discusses chapters from his book Why There Is No Climate Crisis, citing positive reviews, then explains the greenhouse effect and argues CO2’s warming is limited and logarithmic. He claims doubling CO2 yields about 3 W/m² effective forcing, or ~0.9°C via Stefan–Boltzmann calculations, and says even burning all known fossil fuel reserves would add under ~1°C. He argues “climate crisis” claims rely on compounded positive feedbacks in IPCC models, but says observations show models

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01:16:51

Ray Sanders #418

Tom Nelson ·

2026/08/04

Ray Sanders updates his Surface Stations project to classify all 385 UK Met Office weather stations using WMO siting classes, claiming 88% are class 3–5 and 112 meet no regulations, including many in walled or private gardens and car parks. He argues poor siting, degraded maintenance after automation, and rapid platinum resistance thermometers in Stevenson screens create spikes and non-comparable records versus older liquid-in-glass methods. He alleges rounding/conversion issues, data from

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01:21:48

Willie Soon and Jonathan Cohler on natural...

Tom Nelson ·

2026/07/31

Willie Soon and Jonathan Cohler argue the rise in atmospheric CO2 is mostly natural, challenging claims it is 100% manmade from hydrocarbon burning. They cite analyses using bomb-produced carbon-14 showing a single-exponential decay and a short CO2 atmospheric residence time (~3.8 years), contrasting with IPCC claims of thousands of years and criticizing undefined terms like “adjustment time.” They say their work falsifies the Suess effect and that delta-13C of atmospheric change stays near -13‰

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00:59:13

Steve Milloy #416

Tom Nelson ·

2026/07/28

Steve Milloy reviews Trump’s fossil-fuel agenda, EPA rollback of the 2009 endangerment finding, and concerns that litigation delays and Justice Department staffing could let a future Democratic administration reverse course. The speaker attacks the National Academy of Sciences as climate activists, cites a climate chapter in a judges’ science manual, notes Elena Kagan said she didn’t read it, and urges cutting NAS funding. They praise Matt Wielicki’s appointment to lead the U.S. Global Change

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00:54:45

Marc Glendening #415

Tom Nelson ·

2026/07/24

Mark Glendening argues free speech in Britain and the West is under increasing internal attack, citing “non-crime hate incidents,” broad Public Order Act powers, online and even private-message prosecutions, and proposals to criminalize non-affirmation of transgender identity under “conversion therapy” laws. He says enforcement is often aimed at the right and anti-transgender feminists, though he notes prosecutions of some left-wing Palestine Action supporters. Glendening traces today’s speech

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01:04:53

Ron Clutz Part 1: “Highlights from 3400 Climate Blog...

Tom Nelson ·

2026/07/21

Ron Clutz summarizes themes from his “Science Matters” blog, framing climate change as three linked claims: humans warm the Earth, the warming is dangerous, and government can stop it. He argues climate sensitivity estimates are declining and models overpredict warming, citing comparisons of model outputs to observations, weak long-term temperature correlation with fossil fuel use, and claims that storms, wildfires, sea level rise, Arctic ice, and drought trends are not worsening as asserted. He

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