The U.S. Department of Energy (DOE) has released a new assessment of climate science written by five scientists who have long-argued that climate science assessments have overlooked key issues. The…
By Roger Pielke Jr. | July 30, 2025
Few people are aware of the fact that “climate change” means very different things in science and in policy. That difference exposes the fundamental incoherence of climate policy, highlighted by…
By Roger Pielke Jr. | July 28, 2025
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…
By Roger Pielke Jr. | July 24, 2025
In the annals of history, the first half of 2025 will be remembered for many things. I’d venture that very few are aware of one of the most momentous achievements…
By Roger Pielke Jr. | July 22, 2025
Today I am starting up a new feature here at THB — Five Figures. Every month, I will share five (or so) of the most provocative, interesting, or challenging figures to…
By Roger Pielke Jr. | July 22, 2025
Twenty-five years ago this month, Dan Sarewitz and I published a widely read and discussed article in The Atlantic Monthly titled, Breaking the Global Warming Gridlock (unpaywalled version here). Today I quote extensively from it…
By Roger Pielke Jr. | July 16, 2025
There is a cynical trick being played by some climate activists to promote misinformation and undercut the assessments of the Intergovermental Panel on Climate Change (IPCC) as they lobby for…
By Roger Pielke Jr. | July 14, 2025
Key Points Read the full report here. Download the crosstabs and topline here.
By Roger Pielke Jr. | Ruy Teixeira | July 10, 2025
Right before the 2024 election, my AEI colleague Ruy Teixeira and I engaged YouGov to conduct a survey of how Americans view various topics of energy and climate. Today at AEI, the full…
By Roger Pielke Jr. | July 10, 2025
“This is the most dangerous river valley in the United States. . . We do not have a warning system.” — Judge Rob Kelly, Kerr County, Texas, 4 July 2025 As…
By Roger Pielke Jr. | July 8, 2025
Any moment now, we will be releasing the full results of the AEI Energy/Climate Survey of the American public that my AEI colleague Ruy Teixeira and I conducted right before the election.…
By Roger Pielke Jr. | July 2, 2025
Today, in cool and cloudy Washington, DC, I’ll wrap up my AEI Summer Honors Course (THB Pro subscribers have access to the syllabus and the reading packet here). The students have…
By Roger Pielke Jr. | June 27, 2025
You’d be hard pressed to find a more fascinating straight line. The figure below is one of the most amazing graphs in all of climate policy.1 It shows the decarbonization of the U.S.…
By Roger Pielke Jr. | June 16, 2025
My AEI colleague Roger Pielke Jr. posted some useful observations recently on the politicized use of extreme greenhouse gas (GHG) scenarios for purposes of the usual climate scaremongering and support of policies…
By Benjamin Zycher | June 9, 2025
The implausibly extreme and hugely popular climate scenario RCP8.5 made it into President Trump’s executive order last week on “Restoring Gold Standard Science.” Ironically, the Trump administration’s characterization of RCP8.5…
By Roger Pielke Jr. | June 4, 2025