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It's worth mentioning here that coal-fired power plants also spew radioactivity into the atmosphere.

• lispm 15y ago
  Especially old coal power plants which have not upgraded with filters...
  • billswift 15y ago
    Actually, a large part of the radioactivity is in the form of C-14 in carbon dioxide which is unaffected by filters.
    • lispm 15y ago
      'Large part'? Numbers, please. C-14 is not much contained in old fossil fuels due to radioactive decay. The literature also discusses the Suess effect, which shows that coal power plant reduced the effect of C-14.