All Research

All Research

Are the Strongest Nor’easters Getting Stronger? A Closer Look
Article
The Honest Broker

Are the Strongest Nor’easters Getting Stronger? A Closer Look

As New England digs out from a historic blizzard, today’s post takes a deep and technical dive into recent research — Chen et al. 2025 — claiming that Nor’easters have…

Does Peak Population Mean Peak Energy?
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The Honest Broker

Does Peak Population Mean Peak Energy?

Today, I take a look at what such emerging views on global population might mean for global energy supply and demand and offer three (perhaps provocative) perspectives.

The Water Vapor Problem
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The Honest Broker

The Water Vapor Problem

The omission of water vapor in the basket of regulated greenhouse gases is the weakest part of the 2009 Endangerment Finding, as it is totally inconsistent with EPA’s arguments about…

Making Sense of the EPA Endangerment Finding Rule
Article
The Honest Broker

Making Sense of the EPA Endangerment Finding Rule

Well-intentioned but costly climate mitigation policies risk deepening the challenges faced by the world’s poor.

The Economics of Climate Adaptation Optimism
Article
The Honest Broker

The Economics of Climate Adaptation Optimism

Well-intentioned but costly climate mitigation policies risk deepening the challenges faced by the world’s poor.

Bad Science, Big Consequences
Article
The Honest Broker

Bad Science, Big Consequences

How the influential 2006 Stern Review conjured up escalating future disaster losses

Global Tropical Cyclone Landfalls
Article
The Honest Broker

Global Tropical Cyclone Landfalls

Back in 2012, Jessica Weinkle, Ryan Maue, and I published the first peer-reviewed paper presenting a time series of global tropical cyclone landfalls of hurricane strength. In that paper we concluded: From currently available…

Leaving the IPCC and UNFCCC is Bad for the United States
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The Honest Broker

Leaving the IPCC and UNFCCC is Bad for the United States

Yesterday, the Trump administration announced via executive order that the United States was withdrawing from 66 international organizations, of which 31 fall under the United Nations (UN). [1] Among these organizations are the…

Shutting Down NCAR Is Vindictive Governance
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The Honest Broker

Shutting Down NCAR Is Vindictive Governance

Yesterday, the Trump Administration announced that it was taking steps to shut down the U.S. National Center for Atmospheric Research (NCAR). USA Today broke the story: The Trump administration is moving to…

Five Figures – December Bonus Issue
Article
The Honest Broker

Five Figures – December Bonus Issue

I have lots of fascinating data to share today, hence the second Five Figures of December. Before the jump, here is an excerpt from my New York Post op-ed from earlier this week, which built…

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