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Which issue poses the greatest long-term challenge in the development of new nuclear power plants?
controlling carbon dioxide emissions
storage of radioactive waste
controlling fission reactions
mining of uranium
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storage of radioactive waste
Long-lived high‑level radioactive waste requires secure, monitored isolation for thousands to hundreds of thousands of years. Finding politically acceptable, technically robust, and permanent disposal (e.g., deep geologic repositories) is the major long‑term challenge, whereas CO2 emissions are minimal for nuclear, fission control is addressed by reactor design and safety systems, and uranium mining—while an issue—is solvable with existing practices and alternatives (reprocessing, breeder reactors).
Long-lived high‑level radioactive waste requires secure, monitored isolation for thousands to hundreds of thousands of years. Finding politically acceptable, technically robust, and permanent disposal (e.g., deep geologic repositories) is the major long‑term challenge, whereas CO2 emissions are minimal for nuclear, fission control is addressed by reactor design and safety systems, and uranium mining—while an issue—is solvable with existing practices and alternatives (reprocessing, breeder reactors).
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