A dog chased a ball past me at full speed across the open fields of Seascale Beach, Cumbria. The beach is surrounded by a small park, rows of shops, and houses, with tall chimneys and large rectangular buildings visible on a vast industrial site as you walk north.
Close to Seascale Beach is the Sellafield complex, a 2 square mile nuclear facility located 5 km away. Sellafield is home to most of the UK’s radioactive nuclear waste and the world’s largest store of plutonium.
I visited Sellafield earlier this year to learn about the management of Britain’s nuclear waste. It was an eye-opening and expensive lesson in dealing with hazardous material with no clear plan.
Sellafield played a crucial role in producing plutonium during the Cold War. The current cleanup operation involves processing and storing spent nuclear fuel, cooling and stabilizing it, then storing it in silos covered with steel and concrete.
Initially, safe long-term storage was not a priority, leading to waste being disposed of from decades ago. The process of moving waste from dilapidated silos to more modern stores is ongoing.
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A recent report by the National Board of Audit highlighted that Sellafield is still in the early stages of the cleanup mission, expected to last until 2125 with an estimated cost of £136bn, showcasing uncertainty about the exact tasks and timeline.
The plan for the most dangerous nuclear waste is to bury it deep underground in a geological disposal facility (GDF). Finding a suitable location involves not just solid rock but also a willing community.
Three communities are currently in discussion about building a GDF facility, with experts believing it to be the best option. Several countries are also working on similar facilities.
The complexity of site selection may delay the facility’s opening until the 2040s or 2050s, amidst a push for new nuclear power to reduce emissions and reach net zero.
As we navigate through the challenges of nuclear waste management, experts like Professor Claire Corkhill from the University of Bristol play a crucial role in advancing our understanding of radioactive waste.
About our expert Professor Claire Corkhill
Claire is Professor of Mineralogy and Radioactive Waste Management in the School of Earth Sciences at the University of Bristol.
Her work has been published in magazines material, nature, and ceramics.
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Source: www.sciencefocus.com
