PatrickTBrown31.bsky.social @patricktbrown31.bsky.social · 16/09/2026Prediction markets have a documented history of aggregating and distilling information into a well-calibrated price or probability that represents the “wisdom of the crowd”.... 100
PatrickTBrown31.bsky.social @patricktbrown31.bsky.social · 30/07/2026www.interactivebrokers.com/campus/trade...interactivebrokers.comFair Value Weather & Climate — Thursday, July 30, 2026 | IBKR Campus USA detailed daily look at some of the most interesting weather and climate prediction markets at ForecastEx and elsewhere. 000
PatrickTBrown31.bsky.social @patricktbrown31.bsky.social · 19/03/2026www.interactivebrokers.com/campus/trade...interactivebrokers.comPrediction markets might already be the best source for today’s weather forecast. | IBKR Campus USPrediction markets genuinely improve forecasts, even in a highly scientific and mature field such as weather forecasting. 010
PatrickTBrown31.bsky.social @patricktbrown31.bsky.social · 01/02/2026www.artemis.bm/news/weather...artemis.bmWeather the most frequently traded forecast contracts at Interactive Brokers: Founder - Artemis.bmInteractive Brokers’ ForecastEx platform, which allows investors to buy ‘yes’ or ‘no’ contracts based on stated outcomes for specific indicators, is 010
PatrickTBrown31.bsky.social @patricktbrown31.bsky.social · 16/01/2026Will the Atlantic Meridional Overturning Circulation (AMOC) Collapse? Prediction Markets Can Quantify Sentiment www.interactivebrokers.com/campus/trade...interactivebrokers.comWill the Atlantic Overturning Circulation (AMOC) Collapse? Prediction Markets Can Quantify Sentiment | IBKR Campus USPrediction markets can quantify sentiment on the possibility of a major ocean current collapsing due to climate change. 020
PatrickTBrown31.bsky.social @patricktbrown31.bsky.social · 18/12/2025It was a pleasure to be on the IBKR Cents of Security podcast today, discussing my favorite framework for thinking about the risks from extreme weather: Hazard × Exposure × Vulnerability. www.interactivebrokers.com/campus/podca... 131
PatrickTBrown31.bsky.social @patricktbrown31.bsky.social · 18/12/2025Does the range of plausible temperatures in a next-day forecast translate into any substantial difference in expectations for the day’s energy expenditure? A simple calculation shows that the answer is yes. www.interactivebrokers.com/campus/trade...interactivebrokers.comEnergy expenditure implications of next-day temperature forecasts | IBKR Campus USThe range of plausible next-day temperature outcomes can translate into millions of dollars in differences in energy expenditure. 110
PatrickTBrown31.bsky.social @patricktbrown31.bsky.social · 25/11/2025ForecastEx has launched weather-forecast prediction markets, allowing participants to take financial positions on the daily high temperatures for an initial offering of 10 US cities. In this article, I lay out tools for forecasting & IDing mispricings. www.interactivebrokers.com/campus/trade...interactivebrokers.comDaily High Temperature Markets at ForecastEx | IBKR Campus USA guide for participants and observers of daily temperature forecast markets at ForecastEx. 010
PatrickTBrown31.bsky.social @patricktbrown31.bsky.social · 18/11/2025www.interactivebrokers.com/campus/trade...interactivebrokers.comWhat do prediction markets indicate about the rhetoric at this year’s international climate conference? | IBKR Campus USPrediction markets can tell us whether pledges coming out of the climate negotiations are likely to make a substantive difference. 052
PatrickTBrown31.bsky.social @patricktbrown31.bsky.social · 10/11/2025When Are Scientific Claims Untrustworthy? Distinguishing between science and political opinions masquerading as science www.breakthroughjournal.org/p/when-are-s...breakthroughjournal.orgWhen Are Scientific Claims Untrustworthy?Distinguishing between science and political opinions masquerading as science 120
PatrickTBrown31.bsky.social @patricktbrown31.bsky.social · 07/11/2025It was great to be on the IBKR Cents of Security podcast today, discussing the long-term rise in global agricultural productivity and the headwinds from climate change. www.interactivebrokers.com/campus/trade...interactivebrokers.comClimate Change’s Impact on Global Agriculture and Food Security | IBKR Campus USExploring climate change’s impact on global agriculture and food security. 020
PatrickTBrown31.bsky.social @patricktbrown31.bsky.social · 29/10/2025ForecastEx Odds of a Major Hurricane Landfall Compared to Weather Models. By the afternoon of October 26th onward, ForecastEx odds were better than Google DeepMind’s at indicating a major hurricane landfall in Cuba. www.interactivebrokers.com/campus/trade... 010
PatrickTBrown31.bsky.social @patricktbrown31.bsky.social · 27/10/2025Hurricane Prediction Market Update [10/27/2025] www.interactivebrokers.com/campus/trade... 100
Reposted by PatrickTBrown31.bsky.socialAndy Revkin 🌎 ✍🏼 🪕 ☮️ revkin.substack.com @revkin.bsky.social · 13/10/2025Glad this climate and energy conversation is up and running. 071
PatrickTBrown31.bsky.social @patricktbrown31.bsky.social · 13/10/2025I was recently on two episodes of the PBS show Energy Switch, hosted by Scott Tinker, alongside @revkin.bsky.social. The topic was extreme weather, disasters, and climate change. 111
PatrickTBrown31.bsky.social @patricktbrown31.bsky.social · 10/09/2025Where Are The Hurricanes? Prediction Market Update [9/10/2025]. It’s the typical peak of the Atlantic hurricane season, but the basin remains calm, and that’s tipping the prices in prediction markets. www.interactivebrokers.com/campus/trade...interactivebrokers.comWhere Are The Hurricanes? Prediction Market Update [9/10/2025] | IBKR Campus USIt’s the typical peak of the Atlantic Hurricane season, but the basin remains calm, and that’s tipping the prediction markets. 010
PatrickTBrown31.bsky.social @patricktbrown31.bsky.social · 27/08/2025There’s a real possibility that Hurricane Erin may still be the only hurricane of the 2025 Atlantic season by the end of next week. As it stands, the market probabilities at ForecastEx appear to be overvaluing the odds of high activity. www.interactivebrokers.com/campus/trade... 010
PatrickTBrown31.bsky.social @patricktbrown31.bsky.social · 27/08/2025I had a great time participating in the @srm360.bsky.social panel on wildfires, their impacts, and how solar geoengineering could mitigate the threat. youtu.be/w38WX530ATAyoutu.beMaking Sense of Wildfires and Solar GeoengineeringYouTube video by SRM360 010
PatrickTBrown31.bsky.social @patricktbrown31.bsky.social · 21/08/2025Do we still expect an active hurricane season? www.interactivebrokers.com/campus/trade... 010
PatrickTBrown31.bsky.social @patricktbrown31.bsky.social · 16/08/2025Hurricane Erin exhibited extreme rapid intensification over the past 24 hours, with wind speeds increasing by 75 mph, from 70 mph at 8:00 AM Friday to 145 mph (Category 4) at 8:00 AM Saturday. 110
PatrickTBrown31.bsky.social @patricktbrown31.bsky.social · 15/08/2025Hurricane Erin update in the context of our climate prediction markets. www.interactivebrokers.com/campus/trade...interactivebrokers.comHurricane Prediction Market Commentary 8/15/2025 | IBKR Campus USThe southern US, the Caribbean, and Bermuda are keeping their eyes on Hurricane Erin. As the E in Erin suggests, it is the 5th named storm of the Atlantic hurricane season and is the first hurricane. 001
PatrickTBrown31.bsky.social @patricktbrown31.bsky.social · 13/06/2025Nice overview by @robmayeda.bsky.social of our research regarding the potential for fuel reduction methods, such as prescribed burning and mechanical thinning, to reduce wildfire intensity in a warming California: nbcbayarea.com/news/local/c... Underlying paper: iopscience.iop.org/article/10.1...nbcbayarea.comWhy wildfire fuels matter more in a warming climateA warming climate has made it more challenging to deal with wildfires by extending the number of days they can occur and leading to faster-growing larger fires that can have major impacts on air quali... 030
PatrickTBrown31.bsky.social @patricktbrown31.bsky.social · 19/02/2025www.breakthroughjournal.org/p/recommenda...breakthroughjournal.orgRecommendations for Reform of the U.S. National Climate AssessmentBy Patrick T. 020
Reposted by PatrickTBrown31.bsky.socialKen Caldeira @kencaldeira.com · 04/02/2025Incidentally, I did a little back-of-envelope calculation for folks in my research group. 282
PatrickTBrown31.bsky.social @patricktbrown31.bsky.social · 29/01/2025“Los Angeles is burning, and accelerating hydroclimate whiplash is the key climate connection.” That was the first line of the UCLA press release on a recently-published Nature review paper by @weatherwest.bsky.social et al. ... www.breakthroughjournal.org/p/how-much-d...breakthroughjournal.orgHow much did increasing “Climate Whiplash” impact the Los Angeles Fires?“Climate whiplash” appears to be a larger advance in climate science marketing than in climate science. 120
PatrickTBrown31.bsky.social @patricktbrown31.bsky.social · 29/01/2025Using our attributions methods (adapted from the study below), we calculate that climate change enhanced wildfire intensity over the LA area by 6% between January 7th-11th. This is assuming a 10% difference in wind speed. 121
Reposted by PatrickTBrown31.bsky.socialDr. Crystal A. Kolden @pyrogeog.bsky.social · 09/01/2025Here's the reality about the #LAFires this week: this isn't the first time ANY of these places have burned. Not even close. In 2018, we mapped CA fire history to look at fire frequency across SoCal. Santa Monica Mtns area burns more than anywhere else -- up to once per decade in a given spot. 🧵 581648688
Reposted by PatrickTBrown31.bsky.socialSeaver Wang @wang-seaver.bsky.social · 08/01/2025I think this is a very crucial piece from my colleague @patricktbrown31.bsky.social raising a constructive warning that researchers studying climate's contribution to extreme weather events must be more holistic, attentive to bias to produce good science + accurately inform policy/the public. 132
PatrickTBrown31.bsky.social @patricktbrown31.bsky.social · 07/01/2025Even as an expert fact-checker on climate claims for Facebook (climatefeedback.org/reviewers/pa...), I support this decision... apnews.com/article/meta...climatefeedback.orgPatrick Brown – Climate Feedback 141
PatrickTBrown31.bsky.social @patricktbrown31.bsky.social · 19/12/2024This is a nice study, largely building on our 2021 work on wind and solar droughts (a main concern for renewable energy systems): Liu et al. (2024): Droughts in Wind and Solar Power: Assessing Climate Model Simulations for a Net‐Zero Energy Future agupubs.onlinelibrary.wiley.com/doi/10.1029/... 130
Reposted by PatrickTBrown31.bsky.socialTed Nordhaus @tednordhaus.bsky.social · 12/12/2024Nice David Wallace Wells write up of BTI's @patricktbrown31.bsky.social report on the massive cost of CA wildfires and massive benefits of fuel reduction. www.nytimes.com/live/2024/12...nytimes.comOpinion | Reckoning With the Scale of California Wildfires 062
PatrickTBrown31.bsky.social @patricktbrown31.bsky.social · 03/12/2024Human deaths associated with both cold and hot temperatures have been decreasing over time, and people living in warmer climates are much less sensitive to hot temperatures. This should have implications for adaptation research. My lecture for the Johns Hopkins on this topic: youtu.be/Psgfsa3iEX0youtu.beHuman Deaths from Hot & Cold Temperatures and Implications for Climate ChangeYouTube video by Patrick Brown 110
PatrickTBrown31.bsky.social @patricktbrown31.bsky.social · 20/11/2024In a 2nd Trump presidency, rather than doubling down on the misguided notion that science is an authority that can fully dictate policy, scientists should strive to delineate between strict scientific facts and their political preferences. t.co/napraOW9iY 🧵 130
PatrickTBrown31.bsky.social @patricktbrown31.bsky.social · 13/11/2024This is Part 2 of my two-part post defending economic productivity and capitalism for climate adaptation and mitigation. It’s in response to the Degrowth push to dismantle capitalism and reduce and redistribute global wealth to solve climate change. www.breakthroughjournal.org/p/defending-...breakthroughjournal.orgDefending Economic Productivity and Capitalism for Climate Adaptation and Mitigation - Part 2Contrary to being a liability for adapting to and eventually solving climate change, economic productivity undergirded by private property, markets, and prices - is our primary asset. 110
PatrickTBrown31.bsky.social @patricktbrown31.bsky.social · 01/11/2024Our new Breakthrough Institute report contends that the World Bank & MDBs have misallocated #ClimateFinance in low & middle-income countries, with too much emphasis on climate change mitigation and not enough on climate adaptation. thebreakthrough.org/issues/energ...thebreakthrough.orgAdaptation Finance and The Multilateral Development Banks: From…The Breakthrough Institute is an environmental research center based in Berkeley, California. Our research focuses on identifying and promoting technological solutions to environmental and human devel... 010
PatrickTBrown31.bsky.social @patricktbrown31.bsky.social · 27/02/2024I have a piece out today in The Chronicle of Higher Education on how social and career incentives surrounding researchers cause a good portion of the full story on the climate problem to be left out of the high-impact literature. www.chronicle.com/article/does... 160