Today, I return to the FJC Manual to discuss another of its chapters: How Science Works, which underlies the entire volume. The chapter appears to be telling judges “how science…
By Roger Pielke Jr. | April 9, 2026
An Inconvenient Truth turns twenty next month. In the coming weeks, I am sure that there will be many retrospectives seeking to relitigate the scientific claims in the film. But…
By Roger Pielke Jr. | April 6, 2026
Last month, the Center for Strategic and International Studies estimated that the war in Iran had cost the U.S. Treasury $12.7 billion over the first 12 days of the war.…
By Roger Pielke Jr. | April 2, 2026
Several commenters observed that Australia has a high dependency on imported liquid fuels, even though it is also a huge exporter of fossil fuels, and so its placement at the…
By Roger Pielke Jr. | March 31, 2026
Wind turbines and solar panels come from supply chains that are fossil fuel intensive and technological options to replace those fossil fuels in their production do not yet exist, and…
By Roger Pielke Jr. | March 25, 2026
Today, I take a look at the oft-heralded story of the dramatic drop in greenhouse gas emissions in the United Kingdom under the 2008 Climate Change Act. The lessons are…
By Roger Pielke Jr. | March 24, 2026
Some have argued that these events are a consequence of a warming climate producing a “wavier” jet stream. But when we look at the observations and the dynamics of the…
By Roger Pielke Jr. | March 18, 2026
She was referring to nuclear power, noting that in 1990 one-third of Europe’s electricity came from nuclear and today it is roughly 15 percent: “This reduction in the share of…
By Roger Pielke Jr. | March 16, 2026
With Science Under Siege: How to Fight the Five Most Powerful Forces that Threaten Our World, climatologist Michael E. Mann and virologist Peter J. Hotez have written an important book.…
By Roger Pielke Jr. | March 9, 2026
This is Part Two of a three-part series on The Shrinking Economic Weight of Energy. Part One looked at gasoline, natural gas, coal, and retail electricity. This post covers lower-carbon…
By Roger Pielke Jr. | March 9, 2026
In legal disputes, it is common for issues related to science and expertise to play a central role. Is an epidemiological study reliable? What does DNA evidence actually prove? How…
By Roger Pielke Jr. | March 5, 2026
Today kicks off a three-part series here at THB focused on the energy intensity of the U.S. economy. Energy intensity is a key factor of the Kaya Identity and one…
By Roger Pielke Jr. | March 2, 2026
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…
By Roger Pielke Jr. | February 24, 2026
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.
By Roger Pielke Jr. | February 23, 2026
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…
By Roger Pielke Jr. | February 17, 2026