美国曾在1946年至1970年间向旧金山以西的大西洋倾倒了约47,800个放射性废料容器1。许多容器未能到达指定地点，目前已散落在约1,400平方公里的海床范围内1。这些沉积在洋底的废料如今开始出现可见渗漏现象1。
与此同时，欧洲国家也参与了类似的海洋倾倒活动。英国、法国、瑞士等欧洲国家在1946年至1993年间向大西洋东北部倾倒了约200,000桶放射性废料1。1993年，海洋倾倒被禁止1，现在才开始对这些长期沉积在海底的废料进行调查1。
Decades after major nations disposed of radioactive waste in the Atlantic Ocean, the submerged containers are now showing visible signs of deterioration. Between 1946 and 1970, the United States dumped approximately 47,800 radioactive waste containers west of San Francisco, with many failing to reach their intended destination and instead scattering across roughly 1,400 square kilometers of seafloor.1 From 1946 to 1993, European nations including Britain, France, and Switzerland discharged approximately 200,000 barrels of radioactive waste into the northeastern Atlantic.1 Ocean dumping of radioactive materials was prohibited in 1993, and investigations into the contamination have only recently begun.1
The visible leakage from these aging containers represents a long-delayed reckoning with Cold War-era disposal practices. The vast quantity of waste distributed across the Atlantic seabed underscores the scale of environmental contamination from decades of oceanic dumping.
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