2027 will set a new global temperature record of about +1.7°C above the 1880-1920 average.
“We project a global temperature record of +1.7°C in 2027”Climate
A public record of predictions made by well-known people: their exact words, when they said them, and how things turned out.
| Person | Category | Predictions | Scored | Accurate | Late | Partial | Wrong | Accuracy |
|---|---|---|---|---|---|---|---|---|
| Al Gore | Politician | 8 | 4 | 1 | 0 | 0 | 3 | 25% |
| Allan Lichtman | Academic | 8 | 7 | 5 | 0 | 1 | 1 | 79% |
| Anthony Fauci | Scientist | 9 | 8 | 4 | 0 | 3 | 1 | 69% |
| Bill Gates | Tech leader | 21 | 11 | 4 | 0 | 4 | 3 | 55% |
| Cathie Wood | Investor | 20 | 12 | 4 | 0 | 1 | 7 | 38% |
| Dario Amodei | Tech leader | 8 | 2 | 0 | 1 | 1 | 0 | 50% |
| Donald Trump | Politician | 23 | 19 | 3 | 0 | 2 | 14 | 21% |
| Ed Yardeni | Market strategist | 9 | 5 | 4 | 0 | 0 | 1 | 80% |
| Elon Musk | Tech leader | 18 | 16 | 1 | 4 | 1 | 10 | 22% |
| Eric Schmidt | Tech leader | 10 | 7 | 1 | 0 | 2 | 4 | 29% |
| Gary Marcus | AI researcher | 12 | 9 | 9 | 0 | 0 | 0 | 100% |
| Geoffrey Hinton | AI researcher | 7 | 1 | 0 | 0 | 0 | 1 | 0% |
| Gordon Chang | Commentator | 3 | 3 | 1 | 0 | 0 | 2 | 33% |
| Harry Dent | Market strategist | 10 | 10 | 1 | 0 | 0 | 9 | 10% |
| Jack Dorsey | Tech leader | 5 | 2 | 0 | 0 | 0 | 2 | 0% |
| James Hansen | Scientist | 11 | 6 | 6 | 0 | 0 | 0 | 100% |
| Jamie Dimon | Business leader | 16 | 10 | 6 | 0 | 0 | 4 | 60% |
| Janet Yellen | Policymaker | 8 | 6 | 2 | 0 | 1 | 3 | 42% |
| Jensen Huang | Tech leader | 8 | 1 | 0 | 0 | 0 | 1 | 0% |
| Jeremy Siegel | Economist | 11 | 10 | 4 | 1 | 0 | 5 | 45% |
| Jerome Powell | Policymaker | 15 | 12 | 6 | 0 | 5 | 1 | 71% |
| Jim Cramer | Commentator | 18 | 17 | 2 | 0 | 1 | 14 | 15% |
| Joe Biden | Politician | 10 | 9 | 6 | 0 | 0 | 3 | 67% |
| Kevin Hassett | Economist | 7 | 7 | 1 | 0 | 1 | 5 | 21% |
| Larry Summers | Economist | 19 | 14 | 5 | 0 | 0 | 9 | 36% |
| Marc Andreessen | Investor | 8 | 5 | 3 | 1 | 1 | 0 | 80% |
| Mark Zuckerberg | Tech leader | 16 | 7 | 3 | 0 | 3 | 1 | 64% |
| Masayoshi Son | Investor | 5 | 0 | 0 | 0 | 0 | 0 | — |
| Michael Burry | Investor | 7 | 4 | 1 | 0 | 1 | 2 | 38% |
| Michael Saylor | Crypto figure | 10 | 4 | 1 | 0 | 0 | 3 | 25% |
| Michio Kaku | Scientist | 8 | 3 | 0 | 0 | 2 | 1 | 33% |
| Mohamed El-Erian | Economist | 9 | 9 | 3 | 0 | 3 | 3 | 50% |
| Nouriel Roubini | Economist | 21 | 17 | 5 | 0 | 2 | 10 | 35% |
| Paul Ehrlich | Scientist | 9 | 7 | 0 | 0 | 0 | 7 | 0% |
| Paul Krugman | Economist | 17 | 15 | 6 | 0 | 1 | 8 | 43% |
| Peter Schiff | Investor | 24 | 20 | 5 | 2 | 0 | 13 | 30% |
| Peter Thiel | Investor | 3 | 3 | 0 | 0 | 1 | 2 | 17% |
| Peter Zeihan | Commentator | 9 | 4 | 1 | 0 | 1 | 2 | 38% |
| Ray Dalio | Investor | 7 | 5 | 2 | 0 | 0 | 3 | 40% |
| Ray Kurzweil | Futurist | 23 | 16 | 3 | 6 | 0 | 7 | 38% |
| Robert Kiyosaki | Commentator | 9 | 7 | 1 | 1 | 0 | 5 | 21% |
| Sam Altman | Tech leader | 16 | 4 | 3 | 1 | 0 | 0 | 88% |
| Steve Ballmer | Tech leader | 6 | 5 | 1 | 0 | 1 | 3 | 30% |
| Thomas Friedman | Commentator | 5 | 5 | 4 | 0 | 0 | 1 | 80% |
| Tom Lee | Market strategist | 10 | 9 | 3 | 0 | 1 | 5 | 39% |
| Vinod Khosla | Investor | 7 | 1 | 0 | 0 | 0 | 1 | 0% |
| Vitalik Buterin | Crypto figure | 8 | 5 | 3 | 1 | 0 | 1 | 70% |
| Yann LeCun | AI researcher | 6 | 1 | 0 | 0 | 0 | 1 | 0% |
Accuracy counts accurate as 1, late or partial as ½, inaccurate as 0. Pending predictions don't count.
“We project a global temperature record of +1.7°C in 2027”Climate
“global temperature will remain above +1.5 °C at the end of 2024 and, at most, barely fall below +1.5 °C in 2025.”Climate
“global warming in the next two decades is likely to be about 0.2-0.3 °C per decade, leading to global temperature +2 °C by 2045.”Climate
“shutdown of the Atlantic Meridional Overturning Circulation (AMOC) is likely within the next 20-30 years, unless actions are taken to reduce global warming”Climate
“So at that rate, in about 10 years, we'll be getting all of our energy that way, and it'll keep getting cheaper.”EnergyClimate
“under the present geopolitical approach to GHG emissions, global warming will exceed 1.5°C in the 2020s and 2°C before 2050.”Climate
“global warming will exceed 1.5°C in the 2020s”Climate
“2023 should be notably warmer than 2022”Climate
“global temperature in 2024 is likely to reach +1.4-1.5°C”Climate
“the next few decades will be the end of the kind of civilization we're used to”Climate
“It [a shattering collapse of civilization] is a near certainty in the next few decades, and the risk is increasing continually as long as perpetual growth of the human enterprise remains the goal of economic and political systems.”Climate
“And there is a high risk that over the next 12 years, between now and 2030, the numbers of climate refugees will increase significantly.”ClimateGeopolitics
“The country as a whole is going to meet the commitments of the Paris agreement, regardless of what Donald Trump says or does.”ClimatePolitics
“Within the next 15 years—and especially if young people get involved—I expect the world will discover a clean energy breakthrough that will save our planet and power our world.”EnergyClimate
“The falling cost of solar, hydrogen, renewable, wind power, geothermal power and the rising cost of fossil fuels will cross within 10 years”EnergyClimate
“In 20 years we'll be meeting all of our energy needs with solar, based on this trend which has already been underway for 20 years.”EnergyClimate
“In that kind of a world, demand for clean energy, clean fuel, energy efficiency is clearly going to explode. It's clearly going to be the next great global industry.”EnergyClimate
“the entire North polar ice cap may well be completely gone in five years.”Climate
“I so believe that $1.25 or cheaper cellulosic ethanol is less than three years away”EnergyClimate
“Within the decade, there will be no more snows of Kilimanjaro.”Climate
“Within 15 years this will be the park formerly known as Glacier”Climate
“Within less than 50 years, it will be here,”Climate
“barring a remarkable and improbable cooling, 1988 will be the warmest year on the record.”Climate
“the anthropogenic carbon dioxide warming should emerge from the noise level of natural climate variability by the end of the century”Climate
“there is a high probability of warming in the 1980s”Climate
“Sometime in the next 15 years, the end will come”ClimateHealth