“Onkalo,” which means cavity, or cavern, in Finnish, is an apt name for Finland’s repository for radioactive waste. Touted as a “100,000-year tomb,” the Onkalo facility on Olkiluoto—a small island in western Finland—is currently being built at a depth of 450 metres, inside bedrock. It will be the world’s first permanent disposal site for spent nuclear fuel.
Other countries, including the United States, the United Kingdom, Sweden, France, Germany, Canada and Japan have attempted, for years, to set up nuclear-waste disposal sites, but their plans have stalled because of political, environmental and social roadblocks. Finnish leaders, on the other hand, have managed to drum up popular support for the repository by convincing locals that it will be a financial asset to their community. The Finnish government granted Posiva—a nuclear-waste management…
