Greenpeace says damage to Chernobyl confinement structure has increased risk of radioactive release
The Facts
- Greenpeace warned on April 14, 2026 that an uncontrolled collapse of Chernobyl’s internal confinement shell could increase the risk of radioactive releases into the environment.
- The remains of the destroyed Chernobyl reactor are covered by an inner steel-and-concrete shell known as the sarcophagus and an outer structure called the New Safe Confinement.
- The 1986 Chernobyl disaster involved an explosion at a reactor that spread radiation across parts of Europe and forced large-scale evacuations.
- Multiple reports say the outer New Safe Confinement structure, installed in 2016, was perforated in February 2025.
- Greenpeace said that despite repair work, the confinement function of the New Safe Confinement structure has not been fully restored.
- Ukraine has repeatedly accused Russia of targeting the Chernobyl site since Russia’s full-scale invasion in 2022.
Context
What structures are currently covering the damaged reactor at Chernobyl?
Reports describe two layers: an inner steel-and-concrete shelter known as the sarcophagus, built after the 1986 disaster, and an outer New Safe Confinement structure installed later to cover it NDTV,Straits Times,RFI.
What changed to prompt Greenpeace’s warning now?
Greenpeace’s warning follows damage to the outer confinement structure that multiple reports say was perforated in February 2025, along with Greenpeace’s assessment that repairs have not fully restored its confinement function BFMTV,actu.fr,Boursorama.
Why does Chernobyl still matter 40 years after the disaster?
The site still contains the remains of the reactor that exploded in 1986, and the protective structures around it are meant to limit the escape of radioactive material; that is why damage to those structures is treated as a continuing environmental and safety concern Euronews English,Straits Times,RFI.
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