在经历了多年的停滞之后，核能在全球范围内的使用正逐渐普及，但一些老问题仍然存在。环保人士和反核活动人士有许多担忧，其中大多数担忧的是安全、核电站的危害预防以及流氓国家、国际犯罪分子和恐怖组织滥用核燃料。尽管他们强烈反对核能比化石燃料更清洁、更“绿色”的理论可能被认为是大错特错，但如果把他们对安全及核扩散可能性的所有担忧都贴上轻率和危言耸听的标签，那将是冒失的。许多这些关注仍然有效，确实需要注意。需要考虑的两个主要领域是核废料的处理和乏燃料的再处理。核能的可持续性，使其在长期框架内发挥作用的能力，以及将其视为全球电力问题的真正长期解决办法的能力，取决于能否为管理核废料问题找到一个可接受和可行的解决办法。核废料与其他有毒残留物的分类不同，需要安全保存数千年，而50至70年之间的非放射性有毒物质的时间范围要小得多。在这方面需要在两个方面进行工作:进行持续的科学研究，需要大量的政府和机构资金来寻找解决储存问题的办法，以及重新审查管理法律，以评估是否可以在不损害安全的情况下重新审查这些法律。
美国留学生作业代写:核能的利用
The use of nuclear fuel for energy is gaining ground globally after years of stagnation but some of the old concerns still remain. Environmentalists and anti nuclear campaigners have a number of worries, most of which concern safety, the prevention of hazards from nuclear plants and the misuse of nuclear fuel by rogue states, international criminals and terrorist organisations.While their strident objections to the theory of nuclear energy being much cleaner and “greener” than energy derived from fossil fuels could be taken to be substantially incorrect, it would be presumptuous to brand all their worries about safety and the possibility of nuclear proliferation as facile and alarmist. Many of these concerns are still valid and do need attention.The two major areas that demand consideration are the disposal of nuclear waste and the reprocessing of spent fuel. The sustainability of nuclear power, the ability to make it work for long time frames and to think of it as a real long term solution to the global power issue depends upon obtaining an acceptable and workable solution to the problem of managing nuclear waste. Nuclear wastes are classified differently from other toxic residues and need to be kept safely for thousands of years, whereas the timeframe for non radioactive toxics of between 50 to 70 years is far less. Work is needed in this area on two fronts, the carrying out of continuous scientific research, needing significant governmental and institutional funding to find a solution to the storage problem, and a fresh look at regulatory laws to assess whether they can be revisited without compromising safety.
