In Europe, increasing efforts on climate change mitigation, a sudden focus on energy independence after Russia's invasion of Ukraine, and reported breakthroughs in nuclear fusion have sparked renewed interest in the potential of nuclear power. So-called small modular reactors (SMRs) are increasingly under development, and familiar promises about nuclear power's potential are being revived.
Nuclear power is routinely portrayed by proponents as the source of "limitless" amounts of carbon-free electricity. The rhetorical move from speaking about "renewable energy" to "fossil-free energy" is increasingly evident, and telling.
Yet nuclear energy production requires managing what is known as "spent" nuclear fuel where major problems arise about how best to safeguard these waste materials into the future—especially should nuclear energy production increase. Short-term storage facilities have been in place for decades, but the question of their long-term deposition has caused intense political debates, with a number of projects being delayed or cancelled entirely. In the United States, work on the Yucca Mountain facility has stopped completely leaving the country with 93 nuclear reactors and no long-term storage site for the waste they produce.
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