All Research

All Research

How the Financial System Invented “Climate Risk” Untethered from Climate Science
Article
The Honest Broker

How the Financial System Invented “Climate Risk” Untethered from Climate Science

Part 1 of the THB series on climate change and insurance focused on the recent financial performance of the insurance industry in the context of fevered claims of its looming collapse…

Article
The Honest Broker

A Huge Retraction, the Usual Playbook, and Reason for Optimism

Some huge news dropped today that will reverberate through climate science and policy. Nature has finally retracted “The Economic Commitment of Climate Change,” by Kotz et al. (KLW24), more than 18 months after first learning…

Comment to the Environmental Protection Agency: Visibility Protection: Regional Haze State Plan Requirements Rule Revision
Commentary

Comment to the Environmental Protection Agency: Visibility Protection: Regional Haze State Plan Requirements Rule Revision

Summary: The federal Regional Haze Program should be repealed or at a minimum scaled back dramatically so as to return haze policies to the states as reflected in their respective…

THB Insider #28 – Thanksgiving Reading
Article
The Honest Broker

THB Insider #28 – Thanksgiving Reading

It is Thanksgiving Day here in the US — My favorite holiday. Chez les Pielke we are getting ready to put the turkey in as the sun rises. We will…

US Hurricanes 2025 in Review
Article
The Honest Broker

US Hurricanes 2025 in Review

For the first time in a decade, the continental United States experienced no hurricane landfalls.1 Islands in the Caribbean saw multiple landfalls [1], notably Hurricane Melissa’s landfall as a Category 5 storm in…

Article
The Honest Broker

The Battle for Climate Science and Policy Past—And Why It Matters

Last week in Belém, Brazil the 30th Conference of Parties to the U.N Framework Convention on Climate Change (UNFCCC) concluded with little accomplished, according to most observers. Perhaps the most significant…

Reassessing the World’s Climate Victories: The Paris Delusion
Article
The Dispatch

Reassessing the World’s Climate Victories: The Paris Delusion

In 2015 in Paris, countries from around the world agreed to accelerate the decarbonization of their economies in response to climate change. According to the United Nations Framework Convention on…

‘Adaptation’ Is Another Climate Boondoggle
Op-Ed
Wall Street Journal

‘Adaptation’ Is Another Climate Boondoggle

Alex Flint and Kalee Kreider admit that ordinary central planning won’t reduce greenhouse-gas emissions. Yet despite “the incredible ingenuity of people and markets,” they suggest a different form of central planning is needed:…

We Already Have a Social Contract for Universities
Article

We Already Have a Social Contract for Universities

The bad news for U.S. universities keeps on coming. Last week, Pew Research released the results of a September 2025 poll showing that increasingly large majorities of Republicans and Democrats believe that…

More Problems with Australia’s National Climate Risk Assessment
Article
The Honest Broker

More Problems with Australia’s National Climate Risk Assessment

When Australia’s National Climate Risk Assessment (NCRA) was released last week, headlines such as the above announced that “climate change could cost Australians $40 billion per year by 2050.” It turns out…

The Climate Beat Goes On
Article
The Honest Broker

The Climate Beat Goes On

Last week I was contacted by two reporters at the Associated Press with a request to comment on the Department of Energy’s Climate Working Group (DOE CWG) report and the proposal by the…

The Climate Conversation is Changing
Article
The Honest Broker

The Climate Conversation is Changing

Later this week here at THB I’ll be publishing two important pieces — one a guest post from a climate scientist on how his work was cited in the DOE…

Well Cited
Article
The Honest Broker

Well Cited

Last week, a colleague of mine sent me a copy of an email that they had received from ClimateBrief, a UK-based advocacy journalism group. The email asked for examples of how…

Frisbees and Flatulence
Article
The Honest Broker

Frisbees and Flatulence

Today, The Washington Post and New York Times have both reported that any day now, the Trump administration will publish a proposed rule that reconsiders the 2009 greenhouse gas “endangerment finding” by the Environmental…

Microgrids, Nukes & Novel Tariffs
Article
Knowledge Problem

Microgrids, Nukes & Novel Tariffs

In July 2024 I wrote a five-part series on data center energy use. Two of those posts focused on the thorny question of how data centers would contract for power…