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Feature


                                                                             The levels of radioactivity in the seas
                                                                             and lands are already steadily increas-
                                                                             ing from the existing industrial and mil-
                                                                             itary activities of our modern civilisa-
                                                                             tion. Nuclear pollution is accumulative
                                                                             and irreversible. We must think more
                                                                             seriously. We have recent experience
                                                                             with other technologies that were once
                                                                             considered harmless, such as internal
                                                                             combustion engines, and have moved
                                                                             towards their universal adoption.
                                                                             When internal combustion engines
                                                                             first appeared, no one imagined that
                                                                             building millions of them would have an
                                                                             environmental impact. For a century, It
                                                                             was widely believed that CO  posed no
                                                                                                    2
                                                                             threat to the environment — until sci-
                                                                             ence proved otherwise.
                                                                             Are we ready to safely manage a world
                                                                             where thousands of small nuclear reac-
                                                                             tors will be operating, many of them
                                                                             privately? What will the overall levels
                                                                             of radioactivity be in  the coming
                                                                             decades? How will marine ecosystems
                                                                             be protected for the centuries to come?
                                                                             And, most importantly, how will future
                                                                             generations deal with  the legacy of
                                                                             radioactive waste that we will have pro-
                                                                             duced but failed to manage? Many gov-
          Credit: EPA/OLIVIER HOSLET       using sophisticated computational   ernments are already promoting nuclear
                                           models and experimental methods.     energy as a solution for energy self-
                                           To ensure maximum protection for hun-  sufficiency and geopolitical competi-
                                           dreds to thousands of years, many dif-  tiveness.
                                           ferent materials are combined in multi-   The European Union has included
                                           barrier systems. But for none of these   nuclear energy in its “green taxonomy”.
                                           materials is there any real experience   The political will to adopt nuclear energy
                                           regarding  their long-term exposure     is therefore a given, and the techni-
                                           to radioactivity. Moreover, for materials   cal and regulatory issues surrounding
                                           like concrete, bentonite clay, and other   its use in industry andcommercial
                                           mixtures used for storing radioactive   shipping will be gradually addressed.
                                           waste, there is a lack of data on how     What remains deeply unresolved – and
                                           their properties change over time.  increasingly avoided for discussion – is
                                           What will we do if research programmes   the environmental footprint of radioac-
                                           conclude that the management that has   tive waste.
                                           been carried out so far was not safe?   The consequences could be cata-
                                           Limits have been established for radi-  strophic. We risk sacrificing the future
                                           oactivity in drinking water, and when   of humanity to the greedy consumption
                                           these limits are exceeded, measures   of natural resources and energy.
                                           must be taken. But what measures are   This technology, however promising,
                                           really capable of “cleaning up” radioac-  should remain more of a means of the-
                                           tivity?                           oretical reflection and scientific study
                                           Science and  technology  progress   until it can completely and permanently
                                           through application and experience.   solve the environmental issues it will
                                           Many of the scientific “truths” of the   cause. Any hasty commercial exploita-
                                           past have been disproven. In the case   tion of it in the name of energy “pro-
                                           of nuclear energy, the “trial and error”   gress” shifts the problem and the risks
                                           approach will be fatal to humanity.  to future generations.

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