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The question is no longer what is politically possible, but what is virtually guaranteed if we refuse to pursue the “impossible.”
On February 5, with the expiration of the New Strategic Arms Reduction Treaty, or New START, the only bilateral arms control treaty left between the United States and Russia, we are guaranteed to find ourselves ever closer to the edge of a perilous precipice. The renewed arms race that seems likely to take place could plunge the world, once and for all, into the nuclear abyss. This crisis is neither sudden nor surprising, but the predictable culmination of a truth that has haunted us for nearly 80 years: Humanity has long been living on borrowed time.
In such a context, you might think that our collective survival instinct has proven remarkably poor, which is, at least to a certain extent, understandable. After all, if we had allowed ourselves to feel the full weight of the nuclear threat we’ve faced all these years, we might indeed have collapsed under it. Instead, we continue to drift forward with a sense of muted dread, unwilling (or simply unable) to respond to the nuclear nightmare. In a world already armed with thousands of omnicidal weapons, such fatalism—part suicidal nihilism and part homicidal complacency—becomes a form of violence in its own right.
Given such indifference, we risk not only our own lives but also the lives of all those who would come after us. As Jonathan Schell observed decades ago, both genocide and nuclear war are distinct from other forms of mass atrocity in that they serve as “crimes against the future.” And as Robert Jay Lifton once warned, what makes nuclear war so singularly horrifying is that it would constitute “genocide in its terminal form,” a destruction so absolute as to render the Earth unlivable and irrevocably reverse the very process of creation.
Yet for many, the absence of such a nuclear holocaust, 80 years after the US dropped atomic bombs on the Japanese cities of Hiroshima and Nagasaki, is taken as proof that such a catastrophe is, in fact, unthinkable and will never happen. These days, to invoke the specter of annihilation is to be dismissed as alarmist, while to argue for the abolition of such weaponry is considered naïve. As it happens, though, the opposite is true. It’s the height of naïveté to believe that a global system built on the supposed security of nuclear weapons can endure indefinitely.
Nuclear weapons are human creations, and what is made by us can be dismantled by us.
That much should be obvious by now. In truth, we’ve clung to the faith that rational heads will prevail for far too long. Such thinking has sustained a minimalist global nonproliferation regime aimed at preventing the further spread of nuclear weapons to so-called terrorist states like Iraq, Libya, and North Korea (which now indeed has a nuclear arsenal). Yet, today, it should be all too clear that the states with nuclear weapons are, and have long been, the true rogue states.
A nuclear-armed Israel has, after all, been committing genocide in Gaza and has bombed many of its neighbors. Russia continues to devastate Ukraine, which relinquished its nuclear arsenal in 1994, and its leader, Vladimir Putin, has threatened to use nuclear weapons there. And a Washington led by a brazen authoritarian deranged by power, who has declared that he doesn’t “need international law,” has stripped away the fragile façade of a rules-based global order.
Donald Trump, Vladimir Putin, and the leaders of the seven other nuclear-armed states possess the unilateral capacity to destroy the world, a power no country should be allowed to wield. Yet even now, there is still time to avert catastrophe. But to chart a reasonable path forward, it’s necessary to look back eight decades and ask why the world failed to ban the bomb at a moment when the dangerous future we now inhabit was already clearly foreseeable.
With Hiroshima and Nagasaki still smoldering ruins, people everywhere confronted a rupture so profound that it seemed to inaugurate a new historical era, one that might well be the last. As news of the atomic bombings spread, a grim consensus took shape that technological “progress” had outpaced political and moral restraint. Journalist Norman Cousins captured the zeitgeist when he wrote that “modern man is obsolete, a self-made anachronism becoming more incongruous by the minute.” Human beings had clearly fashioned themselves into vengeful gods, and the specter of Armageddon was no longer a matter of theology but a creation of modern civilization.
In the United States, of course, a majority of Americans greeted the initial reports of the atomic bombings of those two Japanese cities in a celebratory fashion, convinced that such unprecedented weapons would bring a swift, victorious end to a brutal war. For many, that relief was inseparable from a lingering desire for retribution. In announcing the first atomic attack, President Harry Truman himself declared that the Japanese “have been repaid many fold” for their strike on Pearl Harbor, which inaugurated the official American entry into World War II. Yet triumph quickly gave way to a more somber reckoning.
As the scale of devastation came into fuller view, the psychological fallout radiated far beyond Japan. The New York Herald Tribune captured a growing unease when it editorialized that “one forgets the effect on Japan or on the course of the war as one senses the foundations of one’s own universe trembling a little… it is as if we had put our hands upon the levers of a power too strange, too terrible, too unpredictable in all its possible consequences for any rejoicing over the immediate consequences of its employment.”
Some critics of the bombings would soon begin to frame their concerns in explicitly moral terms, posing the question: Who had we become? Historian Lewis Mumford, for example, argued that the attacks represented the culmination of a society unmoored from any ethical foundations and nothing short of “the visible insanity of a civilization that has ceased to worship life and obey the laws of life.” Religious leaders voiced similar concern. The Christian Century magazine typically condemned the bombings as “a crime against God and humanity which strikes at the very basis of moral existence.”
As the apocalyptic imagination took hold, others turned to a more self-interested but no less urgent question: What will happen to us? Newspapers across the country began running stories on what a Hiroshima-sized bomb would do to their downtowns. Yet Philip Morrison, one of the few scientists to witness both the initial Trinity Test of the atomic bomb and Hiroshima after the bombing, warned that even such terrifying projections underestimated the danger.
Deaths in the hundreds of thousands were, he insisted, far too optimistic. “The bombs will never again, as in Japan, come in ones or twos. They will come in hundreds, even in thousands.” And given the effect of radiation, those who made “remarkable escapes,” the “lucky” ones, would die all the same. Imagining a prospective strike on New York City, he wrote of the survivors who “died in the hospitals of Philadelphia, Pittsburgh, Rochester, and Saint Louis in the three weeks following the bombing. They died of unstoppable internal hemorrhages… of slow oozing of the blood into the flesh.” Ultimately, he concluded, “If the bomb gets out of hand, if we do not learn to live together… there is only one sure future. The cities of men on Earth will perish.”
Morrison wrote that account as part of a broader effort, led by former Manhattan Project scientists who had helped create the bomb, to alert the public to the newfound danger they themselves had helped unleash. That campaign culminated in the January 1946 book One World or None (and a short film). The scientists had largely come to believe that, if the public had their consciousness raised about the implications of the bomb, a task for which they felt uniquely responsible and equipped, then public opinion might shift in ways that could make policies capable of averting catastrophe politically possible.
Scientists like Niels Bohr began calling on their colleagues to face “the great task lying ahead,” while urging them to be “prepared to assist in any way… in bringing about an outcome of the present crisis of humanity worthy of the ideals for which science through the ages has stood.” Accepting such newfound social responsibility felt unavoidable, even if so many of those scientists wished to simply return to their prewar pursuits in the insulated university laboratories they once inhabited.
The opportunity to ban the bomb before the arms race took off was squandered not because the public failed to recognize the threat, but because the government refused to heed the will of its people.
As physicist Joseph Rotblat observed, among the many forms of collateral damage inflicted by the bomb was the destruction of “the ivory towers in which scientists had been sheltering.” In the wake of Hiroshima and Nagasaki, that rupture propelled them into public life on an unprecedented scale. The once-firm boundary between science and politics began to blur as formerly quiet and aloof researchers spoke to the press, delivered public lectures, published widely circulated articles, and lobbied members of Congress in an effort to secure some control over atomic energy.
Among them was J. Robert Oppenheimer, director of the Los Alamos Laboratory where the bomb was created, who warned that, “if atomic bombs are to be added as new weapons to the arsenals of a warring world… then the time will come when mankind will curse the names of Los Alamos and Hiroshima,” a statement that left some officials perplexed. Former Vice President Henry Wallace, who had known Oppenheimer as both the director of Los Alamos and someone who had directly sanctioned the bombings, recalled that “he seemed to feel that the destruction of the entire human race was imminent,” adding, “the guilt consciousness of the atomic bomb scientists is one of the most astounding things I have ever seen.”
Yet the scientists pressed ahead in their frantic effort to avert future catastrophe by preventing a nuclear arms race. They insisted that there was no doubt the Soviet Union and other powers would acquire the weapon, that any hope of a prolonged atomic monopoly was delusional, and that espionage was incidental to such a reality, since the fundamental scientific principles needed to build an atomic bomb had been established by 1940. And with Hiroshima and Nagasaki, the secret that a functioning bomb was possible was obviously out.
They argued that there would be no effective defense against a devastating atomic attack and that the US, as a highly urbanized society, was uniquely vulnerable to such “city killer” weapons. With vast, exposed coastlines, they warned that such a bomb, not yet capable of being delivered by a missile, could simply be smuggled into one of the nation’s ports and lie dormant there for years. For the scientists, the implications were unmistakable. The age of national sovereignty had ended. The world had become too dangerous for national chauvinism, which, if humanity were to survive, had to give way to a new architecture of international cooperation.
Such activism had its intended effects. Many Americans became more fearful and wanted arms control. By late 1945, a majority of the public consistently supported some form of international control over such weaponry and the abolition of the manufacturing of them. And for a brief moment, such a possibility seemed within reach. The first resolution passed by the new United Nations in January 1946 called for exactly that. The publication of John Hersey’s Hiroshima first as a full issue of the New Yorker and then as a book, with its intense portrayal of life and death in that Japanese city, further shifted public sentiment toward abolition.
Yet as such hopes crystallized at the United Nations, the two global superpowers, the United States and the Soviet Union, were already preparing for a future nuclear war. Washington continued to expand its stockpile of atomic weaponry, while Moscow accelerated its work creating such weaponry, detonating its initial atomic test four years after the world first met that terrifying new weapon. That Soviet test, followed by the Korean War, helped extinguish the early promise of an international response to such weaponry, a collapse aided by deliberate efforts in Washington to ensure that the United States grew its atomic arsenal.
In that effort, former Secretary of War Henry Stimson was coaxed out of retirement by President Truman’s advisers who urged him to write one final, “definitive” account defending the bombings to neutralize growing opposition. As Harvard president and government-aligned scientist James Conant explained to Stimson, officials in Washington feared that they were losing the ideological battle. They were particularly concerned that mounting anti-nuclear sentiment would prove persuasive “among the type of person that goes into teaching,” shaping a generation less inclined to regard their decision as morally legitimate.
Stimson’s article, published in Harper’s Magazine in February 1947, helped cement the official narrative: that the bomb was a last resort rooted in military necessity that saved half a million American lives and required neither regret nor moral examination. In that way, the opportunity to ban the bomb before the arms race took off was squandered not because the public failed to recognize the threat, but because the government refused to heed the will of its people. Instead, it sought to secure power through nuclear weapons, driven by a paranoid fear of Moscow that became a self-fulfilling prophecy. What followed were decades of preemptive escalation, the continued spread of such weaponry globally, and, at its height, a global arsenal of more than 60,000 nuclear warheads by 1985.
Forty years later, in a world where nine countries—the US, Russia, China, France, Great Britain, India, Pakistan, Israel, and North Korea—already have nuclear weapons (more than 12,000 of them), there can be little doubt that, as things are now going, there will be both more countries and more weapons to come.
Such a global arms race must, however, be ended before it ends the human race. The question is no longer what is politically possible, but what is virtually guaranteed if we refuse to pursue the “impossible.” Nuclear weapons are human creations, and what is made by us can be dismantled by us. Whether that happens in time is, of course, the question that now should confront everyone, everywhere, and one that history, if there is anyone around to write or to read it, will not excuse us for failing to answer.
The civilian population and their political representatives must finally wake up and take joint action to persuade those responsible in the ruling political establishment to change course in the interests of humanity.
February 5, 2026, was the date on which the New START Treaty expired without the US and Russia renewing it. The People's Republic of China also did not participate in renegotiations.
Nothing now stands in the way of unrestrained further nuclear armament. This makes the world even more unsafe. How crazy do you have to be to take this risk?
START stands for “New Strategic Arms Reduction Treaty” and is a successor treaty to START I. It entered into force on February 5, 2011. Ten years later, it was extended until February 5, 2026. On that date, it expired without renegotiation.
The New START Treaty stipulates that Russia and the US:
This was intended to limit the risk of nuclear conflict and create stability in bilateral relations between the US and Russia.
The New START was a key treaty which, alongside other disarmament and control treaties that have also expired, was intended to reduce the risk of a third world war.
In 2023, Russia suspended the New START treaty in the wake of its attack on Ukraine and criticized the US for violating the treaty. The US government also had doubts as to whether Russia was still complying with the treaty's limitations. A few months later, the US also stopped implementing the provisions of the New START treaty, no longer allowing inspections and no longer providing transparency.
Russia signaled its continued compliance with the treaty's numerical limits, but did not allow transparency and inspections. US President Donald Trump has been inconsistent and has so far taken no initiative to renegotiate the treaty (“If it expires, it expires”). According to Daryl G. Kimball (2026) on the Arms Control Association website:
Since taking office last January, his administration has neither outlined a strategy for negotiating a new nuclear arms control agreement with Russia nor outlined how it would bring China into nuclear risk reduction or arms control talks.
For the first time since 1972, there are now no effective restrictions on the nuclear programs of the two superpowers.
Within a few weeks, the operational nuclear arsenals of the US and Russia could be significantly expanded. According to US peace researcher Jennifer Knox (2026), a doubling would be possible in a relatively short time:
Without mutual constraints, the two countries could field hundreds more nuclear weapons in a matter of weeks, and within a few years, their deployed nuclear forces could double. The resulting arms buildup, the lack of insight into each other's plans and arsenals, and the ending of formal bilateral consultations engendered by the treaty's verification regime would further destabilize relations between the United States and Russia, increase the risk of nuclear conflict through miscalculation or misunderstanding, and waste resources that neither country has to spare. Renewed nuclear competition between the United States and Russia could also drive China and other nuclear powers to expand their arsenals, leading to deteriorating security conditions around the world.
This significantly increases the risk of an accidental nuclear war due to false reports or technical failure.
Russia and the US could voluntarily continue to adhere to the New START treaty until a new treaty has been negotiated between them, preferably with the involvement of China. Furthermore, the renegotiation of a joint treaty should require compliance with the Nuclear Non-Proliferation Treaty and the signing and ratification of the nuclear ban treaty that has already been adopted by the United Nations. The non-participation of the US, Russia, China, and, incidentally, other nuclear states in nuclear disarmament measures violates Article VI of the current Nuclear Non-Proliferation Treaty.
In a statement, the German group of scientists from the VDW (2026) calls for more comprehensive negotiations between the major powers:
Joint limitation measures would create a more positive environment for talks on further strategic reductions, new restrictions on medium-range missiles and tactical nuclear weapons, limitations on strategic missile defense systems, and other measures to reduce nuclear risks. These include, above all, joint steps to mitigate the risks of integrating artificial intelligence into the nuclear command and control structure.
How deranged must the politicians in Russia, the US, and China be that they are unwilling to sit down at the table and reduce the danger of nuclear war through new START negotiations! The civilian population and their political representatives must finally wake up and take joint action to persuade those responsible in the ruling political establishment to change course in the interests of humanity. Nuclear weapons must be banned. Negotiations and diplomacy make the world much safer than unrestrained nuclear armament.
This is why the United Nations must also take action—even though it is currently being deliberately weakened and blocked by the US and Russia.
International Phycisians for the Prevention of Nuclear War activist and peace researcher Rolf Bader (2026) summarizes the demands in light of the expected modernization and expansion of nuclear arsenals as follows:
In this situation (of) escalating tensions, the United Nations would be called upon to act. Crisis prevention would be necessary to stop the looming arms race. With the support of influential member states in the Global South, attempts could be made to initiate negotiations to minimize risk.
The goal must be to negotiate at least a reduction in the highest alert level and a renunciation of the first use of nuclear weapons. Even if the chances are slim at present, everything should be tried to prevent the looming nuclear arms race.
"Trump, Putin, and Xi can and must put the world on a safer path by taking commonsense actions to build down the nuclear danger," said one campaigner.
Secretary of State Marco Rubio on Wednesday implicitly confirmed that New START—a key arms control treaty between the United States and Russia—will expire Thursday, prompting renewed demands for what one group called "a more coherent approach from the Trump administration" toward nuclear nonproliferation.
Asked about the impending expiration of New START during a Wednesday press conference, Rubio said he didn't "have any announcement" on the matter, and that President Donald Trump "will opine on it later."
"Obviously, the president’s been clear in the past that in order to have true arms control in the 21st century, it’s impossible to do something that doesn’t include China because of their vast and rapidly growing stockpile," Rubio said.
🇺🇸🇷🇺🇨🇳 Secretary of State Marco Rubio:
I don't have any announcement on New START right now. I think the President will opine on it later.
The President has been clear in the past that in order to have true arms control in the 21st century, it's impossible to do something that… pic.twitter.com/8pxi3bfdsy
— Visioner (@visionergeo) February 4, 2026
New START, signed in 2010, committed the United States and Russia to halving the number of strategic nuclear missile launchers in their arsenals. While the treaty did not limit the size of the countries' actual nuclear arsenals, proponents pointed to its robust verification regime and other transparency features as mutually beneficial highlights of the agreement.
“We have known that New START would end for 15 years, but no one has shown the necessary leadership to be prepared for its expiration,” said John Erath, senior policy director at the Center for Arms Control and Non-Proliferation and former longtime State Department official.
“The treaty limited the number of nuclear weapons the United States and Russia could have, but perhaps more importantly, New START also provided each country with unprecedented insights into the other’s arsenal so that Washington and Moscow could make decisions based on real information rather than speculation," Erath added.
The last remaining major treaty limiting the world's two largest nuclear arsenals expires Feb. 5. Does this mean the end of nuclear arms control? Not necessarily. Read our statement.armscontrolcenter.org/statement-on...
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— Nukes of Hazard (@nukesofhazard.bsky.social) February 4, 2026 at 2:04 PM
Daryl G. Kimball, executive director of the Arms Control Association, said Wednesday that "the end of New START requires a more coherent approach from the Trump administration."
"If President Trump and Secretary Rubio are serious, they should make a serious proposal for bilateral (not trilateral) talks with Beijing," he asserted. "Despite Trump’s talk about involving China in nuclear negotiations, there is no indication that Trump or his team have taken the time to propose risk reduction or arms control talks with China since returning to office in 2025."
Kimball continued:
Furthermore, there is no reason why the United States and Russia should not and cannot continue, as [Russian President Vladimir] Putin suggested on September 22, to respect the central limits of New START and begin the hard work of negotiating a new framework agreement involving verifiable limits on strategic, intermediate-range, and short-range nuclear weapons, as well as strategic missile defenses.
At the same time, if he is serious about involving China in “denuclearization” talks, he could and should invite [Chinese President Xi Jinping] when they meet later this year, to agree to regular bilateral talks on risk reduction and arms control involving senior Chinese and US officials.
"With the end of New START, Trump, Putin, and Xi can and must put the world on a safer path by taking commonsense actions to build down the nuclear danger," Kimball added.
Erath lamented that "with New START’s expiration, we have not only lost unprecedented verification measures that our military and decision-makers depended on, but we have ended more than five decades of painstaking diplomacy that successfully avoided nuclear catastrophe."
"Agreements preceding New START helped reduce the global nuclear arsenal by more than 80% since the height of the Cold War,"
he noted. "Now, both Russia and the United States have no legal obstacle to building their arsenals back up, and we could find ourselves reliving the Cold War."
Last week, the Bulletin of the Atomic Scientists’ Science and Security Board advanced its symbolic Doomsday Clock to 85 seconds to midnight, the closest it has ever been to global thermonuclear annihilation, citing developments including failure to extend New START, China's growing arsenal, and Russian weapons tests—to which Trump has vowed to respond in kind.
"The good news is," said Erath, is that "the end of New START does not have to mean the end of nuclear arms control."
"While New START can’t be extended beyond today, Presidents Donald Trump and Vladimir Putin could decide to respect the numerical limits the treaty set on nuclear arsenals," he explained. "They could also resume the treaty’s data exchanges and on-site inspections, in addition to implementing verification measures from other previous arms control treaties."
"Further, they could instruct their administrations to begin immediate talks on a new treaty to cover existing and novel systems and potentially bring in other nuclear powers, like China," Erath continued. "Meanwhile, Congress could—and should—fund nonproliferation and global monitoring efforts while refusing to fund dangerous new nuclear weapons systems."
Last December, US Sens. Ed Markey (D-Mass.) and Jeff Merkley (D-Ore.) and Reps. Don Beyer (D-Va.), John Garamendi (D-Calif.), and Jim McGovern (D-Mass.) reintroduced the bicameral Hastening Arms Limitation Talks (HALT) Act, "legislation outlining a vision for a 21st century freeze on the testing, production, and deployment of nuclear weapons."
"The Doomsday Clock is at 85 seconds to midnight," Markey—who co-chairs the congressional Nuclear Weapons and Arms Control Working Group—said Wednesday ahead of a press conference with HALT Act co-sponsors. "We need to replace New START now."