Field Guide
Common Climate Arguments: A Field Guide
Thirty-six arguments routinely raised against acting on emissions, each one taken at its strongest, answered with peer-reviewed data and primary citations.
Companion to The Ice Age We Cancelled. Read that one first if you want the physics. This one is the field reference.
May 2026 · 36 arguments · 8 sections
There is a category of statement that is technically true, often incomplete, and used to argue against action that the underlying data actually supports. “The climate has always changed” is the canonical example: literally true, and a non-sequitur with respect to the question of what is causing the current change and how fast it is happening.
This guide takes each argument at its strongest form, identifies any kernel of truth, and answers it with the peer-reviewed literature. Every numeric claim links to or names a primary source. The aim is to give a curious or skeptical reader the data they need to evaluate the argument themselves, not to score points.
A Brief Taxonomy of the Arguments
William Lamb et al. (2020) describe these as the Discourses of Climate Delay: Not me. Not like this. Not now. Too late. “Not now” and “Too late” are essentially the same argument with the hands of the clock moved. Both conclude that the right action is no action.
I. The Physics Tier
These are the arguments that should have been retired in 1995. They have not been retired. We address them briefly, because they don't deserve more, and because the people deploying them are usually not the ones we're trying to persuade. We're trying to persuade the bystanders.
II. The Lukewarmer Tier
This is where the argument actually lives in 2026. The people in this section are smarter than the people in the previous section. They have PhDs. They publish in real journals. They occasionally make valid points. They are also, often, wrong about the conclusion in ways that matter, and the conclusion is always, somehow, "do less."
III. It Won't Be That Bad
These are arguments that contain real, valid points, and reach conclusions that are nonetheless wrong, because they leave out the parts of reality that don't fit their thesis. The technique is selection. The remedy is to put the missing parts back in.
IV. The Economic Tier
This is the section where deniers stop sounding like cranks and start sounding like Senators. The arguments here are conducted in the language of cost-benefit analysis, discount rates, and the social cost of carbon. They are persuasive because they appear technocratic. They are dangerous for the same reason.
V. Solution Denial
These are the arguments deployed by people who concede the science and then proceed, with elaborate care, to oppose every available remedy. Carbon taxes are too market-y. Regulations are too heavy-handed. Subsidies pick winners. The one thing they never oppose is the status quo.
VI. The Conspiracy Tier
These are the arguments where the discussion stops being about climate science and starts being about the alleged motives of the people who do climate science. They are deployed when the empirical arguments have run out.
VII. Honest Concessions
The credibility section. If a handbook like this is going to be useful, it cannot pretend the activist side has been perfect. We have not. Some of the most-mocked failures of climate communication have been real failures. The deniers cite them because they exist. We should cite them first, more accurately, and with the proper context. Credibility is built on the willingness to concede the points that are true.
VIII. The Closing Argument
For most of this handbook, I tried to be fair. Steelmanned the arguments. Conceded the points worth conceding. Explained why even the sophisticated deniers. Curry, Koonin, Pielke Jr., Lomborg, Lewis, Mills, Epstein, Shellenberger, get most of the second-order science roughly right while reaching first-order conclusions that are, on the evidence, wrong.
I am now going to stop being fair.
The climate debate in the United States in 2026 is not a serious intellectual disagreement between competing scientific paradigms. It is a public-relations operation that has been running, with continuous funding from a small number of identifiable sources, for at least 35 years.
Geoffrey Supran and Naomi Oreskes, in their 2023 Science paper that finally documented the Exxon record in peer-reviewed form, wrote one sentence that captures it: "Exxon scientists modeled and predicted global warming with shocking skill and accuracy, only for the company to then spend decades denying that very climate science."
Christopher Hitchens, writing about a different bad-faith argument from another industry that had every reason to know better, observed: "What can be asserted without evidence can also be dismissed without evidence." It is the cleanest possible standard. The climate-denial arguments have been asserted, for forty years, against a mountain of evidence that grows higher every season.
The evidence is 800,000 years of ice cores deep, 9,800 fire perimeters wide, 131 years of summer temperature records long. It is bleached reefs and retreating glaciers and snowpack that fails on schedule, year after year, while the people paid to deny it keep collecting their checks.
And the response is still: "Well, the climate has always changed."
The climate has always changed. People have always died. Empires have always fallen. These are true statements deployed as a defense of inaction in the face of the largest experiment ever conducted on the only planet we have ever lived on. They are not arguments. They are fingers in the ears.
Carl Sagan, in 1990, looking at a photograph of Earth taken from 3.7 billion miles away, said:
"That's home. That's us. On it everyone you love, everyone you know, everyone you ever heard of, every saint and sinner in the history of our species lived there, on a mote of dust suspended in a sunbeam."
That is what we are talking about. The snowpack, the fire-perimeter database, the SNOTEL stations, the ice cores, the satellite altimeters, the Argo floats, the methane plumes, the 99% of the peer-reviewed literature, and ExxonMobil's own 1977 internal modeling, all of it saying the same thing in the same calm voice.
The words are just words. The planet is the thing.
This handbook is a companion to The Ice Age We Cancelled. Citations and data sources are documented on the methods page.
Last updated: May 2026. The arguments will be updated when the arguments are updated. The science already has been.