(Photo by Jbuket via Wikimedia Commons/CC BY-SA 3.0 DEED)
On April 26, 2026, the world will commemorate forty years since the explosion of Reactor No. 4 at the Chornobyl Nuclear Power Plant. This catastrophe has reshaped landscapes, politics, and lives across Eastern Europe and beyond. Radioactivity contaminated vast territories in Ukraine, Belarus, and Russia. But this incident left a legacy extending beyond radiation maps, displacing 350,000 people.
For many communities, the explosion was the beginning of lasting health and social consequences that continue to unfold decades later. The explosion’s most pervasive legacy has not been radiation exposure alone, but the mental health impact of Chornobyl. The United Nations describe this psychosocial legacy as “the largest public health problem unleashed by the accident to date.”
Beyond evacuation maps and abandoned towns, the Chornobyl explosion created stigma and institutional mistrust, embedded in intergenerational histories and national narratives. As the 40th anniversary approaches, attention has increasingly shifted toward the experiences of the second and third generations who grew up under medical surveillance and inherited anxiety.
These commemorations also unfold in the context of renewed nuclear anxieties because of Russia’s war against Ukraine. In 2022, the Russian troops temporarily occupied the Chornobyl exclusion zone, reviving global fears about nuclear infrastructure in conflict zones and reopening debates about memory, sovereignty, and environmental security. Today, Chornobyl exists as a contested political symbol and a reference point for fears about invisible threats.
The First Trauma: Disaster, Secrecy, and Displacement
When Reactor No. 4 exploded on April 26, 1986, the initial trauma did not emerge only from radiation exposure, but from silence, uncertainty, and the sudden rupture of ordinary life. In the hours following the explosion, local residents continued their daily activities as radioactive particles settled. The invisible nature of contamination meant that danger could not be seen, smelled, or immediately understood.
The Soviet government ordered the evacuation of nearby villages more than 30 hours after the explosion. When evacuation buses arrived, the authorities gave residents “less than 90 minutes to pack belongings”, without explaining that they would never come back. The suddenness of displacement combined with the absence of explanation turned relocation into a burdensome experience. Across Ukraine, Belarus, and western Russia, resettlement campaigns relocated more than 300,000 people to other towns, with inappropriate work and social reintegration measures.
The withholding of information deepened this suffering. Soviet authorities retained information from the population and the international community for three days before Sweden eventually detected high levels of radiation around one of their own nuclear sites. By restricting access to reliable updates and using complex scientific language, the Soviet control of information intensified the psychological shock of the disaster.
Barys Piatrovich, a writer who lived in present-day Belarus—roughly 140 kilometres away from Chornobyl—later described the weeks following the explosion as a period of deep disorientation and fear. He recalled learning about the scale of the disaster through Swedish radio, remembering the fear spreading among neighbours: “How far away from Sweden is Chornobyl? If they are so frightened, what should we be?”
Piatrovich also described the restrictions on telephone communication to control the flow of news within the country. This secrecy created “a legacy of mistrust surrounding official statements on radiation” and contributed to broader skepticism towards science and institutions. These early experiences of uncertainty laid the foundation for a second layer of suffering that unfolded long after the evacuation.
The Second Trauma: Long-Term Mental Health Consequences
The psychological impact of the Chornobyl disaster did not end with evacuation orders or radiation measurements. Instead, the uncertainty created a form of collective trauma, as people struggled to understand a threat they could not see and navigate a feeling of lack of control over their own lives. Moreover, the 1991 collapse of the Soviet Union disturbed “existing government structures designed to deal with the nuclear accident consequences” and left families struggling to rebuild livelihoods.
Many affected populations entered lasting periods of chronic anxiety. The International Atomic Energy Agency (IAEA) noted that “exposed populations had anxiety levels twice as high as normal.” A recent study also found a prevalence of depression among the liquidators – the workers who tackled the consequences of the explosion by entering the contaminated area in the following years.
The liquidators and the evacuees also experienced mental health issues because of social labelling. Many of them met suspicion as “contaminated” populations, leading to discrimination in social relationships and marriage prospects long after resettling. This stigma—along with sensationalist media reports—reinforced isolation and psychological distress, as people internalized fears about their own bodies and futures while navigating unfamiliar social environments. And while survivors struggled with stigma and anxiety, the younger generation inherited health concerns and catastrophe-shaped identities.
The Children of Chornobyl: Intergenerational Trauma
The Chornobyl disaster continued in the lives of children born years later, growing up in villages where radiation became part of daily vocabulary and family identity.
Children raised in contaminated or resettled regions often grew up under heavy medical monitoring programs. Parents also transmitted precautionary habits and chronic anxiety “through example and excessively protective care”, reinforcing a feeling of omnipresent danger. These medical surveillance routines also strengthened the idea that the disaster was biologically inherited.
Widespread narratives frequently labelled second-generation descendants as “Chornobyl victims”. Survivors needed to be formally recognized by the government as a “victim” to access the attached benefits such as free medicine, student stipends, and annual medical check-ups. The anthropologist Adriana Petryna described how state recognition of exposure transformed medical status into a political identity, a phenomenon she called “biological citizenship.”
This identity, shaped by tragedy, reinforced stigmatization as the survivors were often viewed as fragile or damaged. At the same time, these labels enabled the appearance of networks formed around shared experiences of displacement and monitoring.
War, Nuclear Anxiety, and the Politics of Memory
Forty years after the explosion, Russia’s full-scale invasion of Ukraine revived global fears about nuclear safety. Russia has conducted several military actions around Chornobyl and other nuclear sites, turning energy infrastructure into instruments of war. On February 14, 2025, a drone hit the protective shell of Reactor No.4, damaging the structure. As a result, the sales of potassium iodide – a drug used to block radiation – increased in a country where survivors live in fear of a second Chornobyl accident.
Besides the 2025 drone strike, Russian troops occupied the Exclusion Zone from February 24 to March 31, 2022, which created “clouds of [radioactive] dust” that had settled on the ground with time. Survivors who had spent decades rebuilding lives watched familiar landscapes turning into militarized zones again. This invasion also revived memories of the Soviet-era secrecy and uncertainty because of the temporary disruption of communication channels at that time.
During the occupation, Russian troops also desecrated several memorial places linked to the disaster. For many Ukrainians, such acts by foreign troops in a place marked by national trauma symbolized renewed loss of control over both territory and historical memory.
The war has reshaped how the population remembers or refers to the Chornobyl disaster. In Russia, it has reinforced narratives telling the stories of the heroic Soviet liquidators. The historical Ukrainian discourse focused on the failure of the Soviet authorities and the cover-up attempts. With the war, official discourses now revolve around resistance to nuclear terrorism and environmental security. These competing narratives demonstrate how memory functions as a tool of legitimacy and identity formation.
From Trauma to Civic Mobilization
Survivors’ descendants grew up with stigma and identity defined by the disaster. But many inherited environmental awareness as a direct legacy of evolving alongside contamination maps and restricted forests where radioactive waste is stored. Exposure to stories of ecological loss has created strong environmental consciousness, enabling activists to link Chornobyl to climate and nuclear debates.
The root of this activism goes back to the late Soviet period, when environmental scientists and youth movements turned ecological concerns into platforms for political mobilization. The Chornobyl disaster revealed state secrecy and disregard for the local population, enabling activists to frame environmental protection as inseparable from democratic participation. Ukrainian activist Oleksandr Samoilenko recalled that “all anybody needed to do to vote for independence was say one word: Chornobyl”, illustrating how the ecological catastrophe became a catalyst for political consciousness.
This mobilization echoed across Eastern and Central Europe. Other environmental movements in Bulgaria, Hungary, and Czechoslovakia expanded after 1986, bringing together scientists, students, and local communities concerned about nuclear safety and environmental degradation. Comparable dynamics also emerged after the 2011 Fukushima disaster in Japan. Survivor narratives and citizens’ scientific initiatives challenged official information, monitored radiation levels, and asked for greater governmental accountability. This parallel shows how nuclear disasters can create forms of environmental citizenship rooted in lived experience.
The Chornobyl disaster continues to shape mental health, identity, and political participation today, with a generation that turned a legacy of catastrophe into advocacy. For many, activism functions as a coping mechanism, allowing communities to reclaim a history defined by exclusion and vulnerability. Environmental activism operates as a form of community resilience and political engagement.
Community, Memory, and Resilience
Four decades after the explosion, affected communities continue to develop grassroots strategies of psychological support and collective healing. Survivor networks and local NGOs have provided spaces where experiences can be shared openly. In these settings, community members can address inherited anxieties and reclaim narratives shaped by secrecy and governmental agendas.
Nature itself has participated in this process of reclamation. Recent reports highlight how the exclusion zone has become a unique laboratory of ecological recovery, with rare animal species resurfacing. This transformation reframes disaster heritage and victimhood into a platform for advocacy. What was once associated with contamination and loss now represents community resilience and opportunities for broader dialogue about technological and environmental risk.
The Chornobyl explosion’s multigenerational impact offers critical lessons for modern nuclear anxiety. Amidst renewed geopolitical tensions and nuclear threats, the disaster underscores the importance of combining psychosocial support, ecological stewardship, and community empowerment. By learning from how affected populations turned trauma into action, policymakers and civil society can develop more effective strategies to support communities living under long-term technological risks.
Edited by Gustavo Villela
