Nuclear is the best btw.
this post was submitted on 04 May 2026
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The time radioactive waste must be stored depends on the type of waste and radioactivity.
The back-end of the nuclear fuel cycle, mostly spent fuel rods, contains fission products that emit beta and gamma radiation, and actinides that emit alpha particles, such as uranium-234 (half-life 245 thousand years), neptunium-237 (2.144 million years), plutonium-238 (87.7 years) and americium-241 (432 years), and even sometimes some neutron emitters such as californium (half-life of 898 years for californium-251). These isotopes are formed in nuclear reactors.
Sources: https://en.wikipedia.org/wiki/Radioactive_waste#cite_note-3