Finland's Onkalo Nuclear Waste Repository: A Milestone with Long-Term Risks
Finland is poised to become the first nation to operate a permanent underground facility for spent nuclear fuel, the Onkalo repository on the island of Olkiluoto. Set to begin operations in 2026 after decades of construction, the project involves burying radioactive waste in copper canisters deep within stable bedrock, 430 meters underground. While Posiva and Finnish authorities view this as the 'least bad' option for sustainable nuclear energy, experts like Edwin Lyman of the Union of Concerned Scientists highlight significant uncertainties regarding long-term corrosion and safety over hundreds of thousands of years. The article emphasizes the challenge of communicating risks to future generations through 'nuclear semiotics,' noting that current human history spans only a fraction of the time required for the waste to decay to safe levels. This development marks a global first, contrasting with ongoing projects in Sweden and France.
Wire timeline
Finland's Onkalo Nuclear Waste Repository: A Milestone with Long-Term Risks
Finland is poised to become the first nation to operate a permanent underground facility for spent nuclear fuel, the Onkalo repository on the island of Olkiluoto. Set to begin operations in 2026 after decades of construction, the project involves burying radioactive waste in copper canisters deep within stable bedrock, 430 meters underground. While Posiva and Finnish authorities view this as the 'least bad' option for sustainable nuclear energy, experts like Edwin Lyman of the Union of Concerned Scientists highlight significant uncertainties regarding long-term corrosion and safety over hundreds of thousands of years. The article emphasizes the challenge of communicating risks to future generations through 'nuclear semiotics,' noting that current human history spans only a fraction of the time required for the waste to decay to safe levels. This development marks a global first, contrasting with ongoing projects in Sweden and France.
AP News