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…
By Roger Pielke Jr. | January 8, 2026
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…
By Roger Pielke Jr. | December 18, 2025
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…
By Roger Pielke Jr. | December 15, 2025
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…
By Roger Pielke Jr. | December 15, 2025
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…
By Roger Pielke Jr. | December 4, 2025
Summary: The federal Regional Haze Program should be repealed or at a minimum scaled back dramatically so as to return haze policies to the states as reflected in their respective…
By Benjamin Zycher | December 2, 2025
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…
By Roger Pielke Jr. | December 1, 2025
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…
By Roger Pielke Jr. | December 1, 2025
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…
By Roger Pielke Jr. | November 24, 2025
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…
By Roger Pielke Jr. | November 20, 2025
Following my lecture last week at Cornell, one Cornell professor, a well-known climate activist, called for the firing of the director of the Cornell Atkinson Institute for Sustainability — an accomplished scientist…
By Roger Pielke Jr. | November 17, 2025
The National Environmental Policy Act of 1969 is the basic law governing federal reviews of construction projects’ environmental impacts. Unfortunately, it has evolved into an environmentally destructive monstrosity. Why? Because…
By Benjamin Zycher | November 17, 2025
I spent this week in Ithaca, New York visiting Cornell University. It was a fantastic visit. I met with faculty, researchers, students, staff, administrators, and taught a few classes. I…
By Roger Pielke | November 14, 2025
Something curious is going on in the world of climate advocacy. As THB readers know, projected future carbon-dioxide emissions from fossil-fuel combustion have been consistently revised downward in recent years,…
By Roger Pielke Jr. | November 12, 2025
Summary: BLM proposes “to rescind” the 2024 final “Conservation and Landscape Health Rule” adopted on May 9, 2024. Despite the promise in the 2024 final rule that it “defines the…
By Benjamin Zycher | November 12, 2025