# Hockey Stick Graph on The No Agenda Show Hockey Stick Graph comes up in 9 chapters across 8 episodes of The No Agenda Show, from March 2018 to March 2026. - **Chapters:** 9 - **Episodes:** 8 - **Discussed:** March 2018 – March 2026 - **Related topics:** [Michael Mann](https://search.noagendashow.net/topic/michael-mann.md), [Ipcc](https://search.noagendashow.net/topic/ipcc.md), [Mark Steyn](https://search.noagendashow.net/topic/mark-steyn.md), [Climate Change](https://search.noagendashow.net/topic/climate-change.md), [Libel](https://search.noagendashow.net/topic/libel.md), [Medieval Warm Period](https://search.noagendashow.net/topic/medieval-warm-period.md), [Defamation](https://search.noagendashow.net/topic/defamation.md), [Geophysics](https://search.noagendashow.net/topic/geophysics.md), [Hillsdale College](https://search.noagendashow.net/topic/hillsdale-college.md), [Hurricane Maria](https://search.noagendashow.net/topic/hurricane-maria.md) ## Chapters 1–9 of 9 ### Mark Steyn vs. Michael Mann Lawsuit - **Episode:** [1848: Podcaster Down!](https://search.noagendashow.net/episode/1848-podcaster-down.md) - **Published:** 2026-03-05 - **Time:** 2:22:04–2:24:30 - **Transcript:** https://search.noagendashow.net/episode/1848-podcaster-down/chapter/mark-steyn-vs-michael-mann-lawsuit.md Author Mark Steyn has been involved in a long-running legal battle with climatologist Michael Mann over comments regarding the "hockey stick" climate graph. The case, which has spanned over a decade in the DC court system, centers on allegations of libel and the scientific validity of Mann's research. Keywords: [mark steyn](https://search.noagendashow.net/topic/mark-steyn.md), [michael mann](https://search.noagendashow.net/topic/michael-mann.md), [hockey stick graph](https://search.noagendashow.net/topic/hockey-stick-graph.md), [libel](https://search.noagendashow.net/topic/libel.md), dc courts ### Mark Steyn Libel Case and Michael Mann Hockey Stick - **Episode:** [1724: Boomer Mode](https://search.noagendashow.net/episode/1724-boomer-mode.md) - **Published:** 2024-12-26 - **Time:** 1:02:58–1:06:30 - **Transcript:** https://search.noagendashow.net/episode/1724-boomer-mode/chapter/mark-steyn-libel-case-and-michael-mann-hockey-stick.md The hosts discuss the long-running legal battle between author Mark Steyn and climate scientist Michael Mann. Steyn has spent over a decade in DC courts after calling Mann's "hockey stick" climate graph a fraud. They also joke about suing other podcasters for using the "Value for Value" model. Keywords: [mark steyn](https://search.noagendashow.net/topic/mark-steyn.md), [michael mann](https://search.noagendashow.net/topic/michael-mann.md), [hockey stick graph](https://search.noagendashow.net/topic/hockey-stick-graph.md), [libel](https://search.noagendashow.net/topic/libel.md), dc courts, [hillsdale college](https://search.noagendashow.net/topic/hillsdale-college.md) ### Mark Steyn, Michael Mann, Climate Change Defamation Suit - **Episode:** [1632: King for a Day](https://search.noagendashow.net/episode/1632-king-for-a-day.md) - **Published:** 2024-02-10 - **Time:** 1:53:27–1:54:55 - **Transcript:** https://search.noagendashow.net/episode/1632-king-for-a-day/chapter/mark-steyn-michael-mann-climate-change-defamation-suit.md Author Mark Steyn is currently involved in a long-running defamation lawsuit brought by climate scientist Michael Mann. The suit stems from comments Steyn made 12 years ago regarding Mann's "hockey stick" data and the internal investigation at Penn State. The trial is seen as a significant case regarding the ability to criticize scientific data and the limits of free speech in the climate debate. Keywords: [mark steyn](https://search.noagendashow.net/topic/mark-steyn.md), [michael mann](https://search.noagendashow.net/topic/michael-mann.md), [penn state](https://search.noagendashow.net/topic/penn-state.md), [defamation](https://search.noagendashow.net/topic/defamation.md), [hockey stick graph](https://search.noagendashow.net/topic/hockey-stick-graph.md) ### Michael Mann, Hockey Stick Graph Controversy - **Episode:** [1336: Climate Crisis Special](https://search.noagendashow.net/episode/1336-climate-crisis-special.md) - **Published:** 2021-04-08 - **Time:** 20:25–21:54 - **Transcript:** https://search.noagendashow.net/episode/1336-climate-crisis-special/chapter/michael-mann-hockey-stick-graph-controversy.md Critics examine the "hockey stick" graph created by Michael Mann, alleging that he cherry-picked tree ring data to create a dramatic temperature spike at the end of the record. The graph became an iconic tool for the UN Intergovernmental Panel on Climate Change (IPCC) to argue that human industry caused unprecedented warming starting in the 1880s. Skeptics claim the data was manufactured to justify political goals rather than reflect accurate historical temperature variations. Keywords: [michael mann](https://search.noagendashow.net/topic/michael-mann.md), [hockey stick graph](https://search.noagendashow.net/topic/hockey-stick-graph.md), [ipcc](https://search.noagendashow.net/topic/ipcc.md), tree rings, temperature record, [united nations](https://search.noagendashow.net/topic/united-nations.md) ### Geological History, Medieval Warm Period, and Hockey Stick - **Episode:** [1336: Climate Crisis Special](https://search.noagendashow.net/episode/1336-climate-crisis-special.md) - **Published:** 2021-04-08 - **Time:** 1:32:18–1:36:34 - **Transcript:** https://search.noagendashow.net/episode/1336-climate-crisis-special/chapter/geological-history-medieval-warm-period-and-hockey-stick.md A geologist argues that climate has always changed, citing the Medieval Warm Period (1000 AD) as a time of prosperity that was later "erased" by Michael Mann's hockey stick graph. The speaker claims he was denied an NPR interview because he refused to attribute warming to human activity. He asserts that the current "irrational hysteria" in the media ignores 100 previous studies confirming that historical warming was global and natural. Keywords: [hurricane maria](https://search.noagendashow.net/topic/hurricane-maria.md), [medieval warm period](https://search.noagendashow.net/topic/medieval-warm-period.md), [little ice age](https://search.noagendashow.net/topic/little-ice-age.md), [hockey stick graph](https://search.noagendashow.net/topic/hockey-stick-graph.md), [michael mann](https://search.noagendashow.net/topic/michael-mann.md), [npr](https://search.noagendashow.net/topic/npr.md) ### Manitoba COVID-19 Variants, Dr. Theresa Tam, and Modeling Charts - **Episode:** [1323: Bidenista](https://search.noagendashow.net/episode/1323-bidenista.md) - **Published:** 2021-02-21 - **Time:** 32:58–35:55 - **Transcript:** https://search.noagendashow.net/episode/1323-bidenista/chapter/manitoba-covid-19-variants-dr-theresa-tam-and-modeling-charts.md Manitoba health officials reported four cases of the B.1.1.7 COVID-19 variant, though all individuals have already recovered. Despite the low numbers, Canadian Chief Public Health Officer Dr. Theresa Tam released a controversial modeling chart showing a "rocket projectile" spike in cases if public health measures are lifted. Critics described the yellow trend line on the chart as hyperbolic and physically impossible given testing capacities. Keywords: [manitoba](https://search.noagendashow.net/topic/manitoba.md), theresa tam, covid-19 variants, [hockey stick graph](https://search.noagendashow.net/topic/hockey-stick-graph.md), [modeling](https://search.noagendashow.net/topic/modeling.md) ### Michael Mann Libel Lawsuit, Hockey Stick Graph Dismissal - **Episode:** [1169: Hockeystick Hoax](https://search.noagendashow.net/episode/1169-hockeystick-hoax.md) - **Published:** 2019-09-05 - **Time:** 1:28:10–1:31:20 - **Transcript:** https://search.noagendashow.net/episode/1169-hockeystick-hoax/chapter/michael-mann-libel-lawsuit-hockey-stick-graph-dismissal.md A long-standing libel lawsuit filed by climatologist Michael Mann against Dr. Tim Ball was dismissed with prejudice by a Canadian judge. Mann, the creator of the famous "hockey stick" temperature graph, was ordered to pay Ball's legal costs after failing to produce underlying data for the court. The hosts discuss the implications of this ruling for the global warming debate and the transparency of climate science. Keywords: [michael mann](https://search.noagendashow.net/topic/michael-mann.md), dr. tim ball, libel lawsuit, [hockey stick graph](https://search.noagendashow.net/topic/hockey-stick-graph.md), [climate change](https://search.noagendashow.net/topic/climate-change.md), [ipcc](https://search.noagendashow.net/topic/ipcc.md) ### Michael Mann Loses Court Battle Over Hockey Stick Data - **Episode:** [1168: Poop-in](https://search.noagendashow.net/episode/1168-poop-in.md) - **Published:** 2019-09-01 - **Time:** 9:32–11:13 - **Transcript:** https://search.noagendashow.net/episode/1168-poop-in/chapter/michael-mann-loses-court-battle-over-hockey-stick-data.md Climate scientist Michael Mann lost a legal case in British Columbia after refusing to produce the underlying R2 regression analysis data for his famous hockey stick graph. The court dismissed the lawsuit with prejudice and ordered Mann to pay defendant legal costs. Keywords: [michael mann](https://search.noagendashow.net/topic/michael-mann.md), [hockey stick graph](https://search.noagendashow.net/topic/hockey-stick-graph.md), [ipcc](https://search.noagendashow.net/topic/ipcc.md), british columbia court, dr. ball ### Medieval Warm Period, Climate Science Testimony - **Episode:** [1020: Undercount of Color](https://search.noagendashow.net/episode/1020-undercount-of-color.md) - **Published:** 2018-03-29 - **Time:** 2:46:16–2:51:17 - **Transcript:** https://search.noagendashow.net/episode/1020-undercount-of-color/chapter/medieval-warm-period-climate-science-testimony.md A 2006 congressional testimony from a geophysicist challenges the "hockey stick" temperature graph, arguing that the Medieval Warm Period was a real, global phenomenon that modern climate scientists have tried to erase. The witness describes being pressured by NPR to attribute warming to human activity and warns of an "irrational hysteria" in the media regarding natural climate cycles. Keywords: [climate change](https://search.noagendashow.net/topic/climate-change.md), [medieval warm period](https://search.noagendashow.net/topic/medieval-warm-period.md), [hockey stick graph](https://search.noagendashow.net/topic/hockey-stick-graph.md), [michael mann](https://search.noagendashow.net/topic/michael-mann.md), [geophysics](https://search.noagendashow.net/topic/geophysics.md) --- This is the markdown version of a page on The No Agenda Show for AI agents. 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