No, we should invest in cleaner alternatives such as wind, hydroelectric, thorium, and geothermal because if a nuclear meltdown were to happen, big negative events such as moderate amounts of casualties and cancer from nuclear radiation would occur, and those are just examples of SMALL nuclear meltdowns! Remember Chernobyl? Yes, it was caused from user error, but very large and very catastrophic nuclear meltdowns similar to that one could still occur in many of the nuclear power plants dotted around the planet, in fact, in some areas afflicted by the Chernobyl disaster, people are still being affected by small amounts of nuclear radiation; too small to cause instantaneous negative impacts, but enough to cause permanent damage over time. Most nuclear reactors cool down using water, but needs so much water that only pipelines coming from the ocean can carry enough water to keep these things cool and prevent meltdowns caused from one problem, and due to global warming caused from the heating of Earth from it's previous ice age (yes, this is still happening), and that's the main cause of global warming, combined with in part greenhouse gasses, and this is also putting jellyfish populations on the rise, and because of how many there are, how thick and gooey they are, how thick the are, how many of them generally travel in extremely large groups, how easily they clump up after death, and after dying, all of the previous problems stated are amplified, (with the exception of travelling in large groups for, obvious reasons), making it really easy for a jellyfish or group of jellyfish to clog up a nuclear reactor's cooling pipe, thus causing even more nuclear meltdowns to occur much more often.