EnvironmentFriday, 24 April 2026·https://testbook.com/current-affairs/24-april-2026-daily-current-affairs
Finland opens the world’s first deep geological repository for radioactive waste at Olkiluoto
Finland on 24 April 2026 finalized the first deep geological repository to permanently store radioactive nuclear waste.
Key highlights
Direct fact
On 24 April 2026, Finland finalized the world’s first deep geological repository on Olkiluoto island to permanently store highly radioactive nuclear waste 400 to 450 metres underground.
Key specifics
- The repository is located on Olkiluoto island in Finland.
- It is built 400–450 metres underground in bedrock that is 1.9 billion years old.
- The facility is designed to hold 6,500 tonnes of spent fuel.
- Waste will be sealed in metal canisters and copper capsules.
- Bentonite clay is used as an insulating barrier around the waste.
Exam lens
Question type: Environment and science, radioactive waste management, Olkiluoto, 400–450 metres, 6,500 tonnes, bentonite clay. TNPSC may ask which country created the first deep geological repository and why it matters.