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Summary: The federal Regional Haze Program should be repealed or at a minimum scaled back dramatically so as to return haze policies to the states as reflected in their respective…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
My fall university tour continues with a visit to Johns Hopkins this week, Cornell next week, and the University of Wyoming on November 19. If you are local please come and say Hello, and…
By Roger Pielke Jr. | November 7, 2025
Thomas Malthus was a fan of pandemics. Writing in 1798 in his famous treatise on population growth, Malthus encouraged the spread of fatal diseases: “Instead of recommending cleanliness to the poor, we…
By Roger Pielke | November 6, 2025