Forty Years On: Remembering the Chornobyl Disaster

Today marks forty years since the most devastating nuclear disaster in history, when a reactor at the Chornobyl Nuclear Power Plant went into meltdown in the early hours of 26 April 1986.

The explosion sent nearly ten tonnes of radioactive material into the atmosphere, contaminating roughly 150,000 square kilometres across Ukraine, Belarus, and Russia. The human toll was immense and continues to shape lives to this day, including those of people born long after 1986.

Around 350,000 people were forced to leave their homes in severely contaminated areas, and many have never been able to return. The disaster has caused loss of life, chronic illness, psychological trauma, and economic hardship across the affected regions. Forests, fields, and water systems remain scarred by contamination that will endure far beyond our lifetimes.

The European Union has contributed over €400 million to the New Safe Confinement, a vast steel arch that seals the reactor at Chornobyl. It is both a testament to human ingenuity and an acknowledgement that the consequences of nuclear disaster cannot be undone, only contained.

The 40th anniversary carries particular official weight. The United Nations General Assembly designated 26 April as International Chornobyl Disaster Remembrance Day in a resolution adopted on 8 December 2016, recognising the persistent serious long-term consequences of the disaster and the continuing needs of affected communities and territories. Earlier this week, President Connolly hosted a commemorative reception at Áras an Uachtaráin on Friday 24 April to mark the occasion at a national level.

In Cork, a commemorative service was held this afternoon at Bishop Lucey Park on the Grand Parade, attended by Taoiseach Micheál Martin and Her Excellency Larysa Gerasko, Ukrainian Ambassador to Ireland, alongside representatives of The Greater Chornobyl Cause and Cork City Council.

Ireland was among the first countries to respond to the humanitarian crisis that followed 1986. Since then, thousands of Chornobyl's victims, many of them children, have been welcomed into families and communities throughout the country, forming long bonds of friendship and love.

The anniversary also carries an urgent present-day dimension. Russia's ongoing invasion of Ukraine has compromised the New Safe Confinement at Chornobyl and has involved the illegal seizure and militarisation of Ukraine's Zaporizhzhia Nuclear Power Plant, the largest in Europe. Forty years on, the warnings of 1986 remain as relevant as ever.