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In 1968, following a drought in the region, the wind carried 185 PBq (5 MCi) of radioactive dust away from the dried bed of the lake, irradiating half a million people. [3] Lake Karachay has been described as the "most polluted spot on Earth" by the Worldwatch Institute. [4] [5]
According to a report by the Worldwatch Institute on nuclear waste, Karachay is the most polluted (open-air) place on Earth from a radiological point of view. [8] The lake accumulated some 4.44 exabecquerels (EBq) of radioactivity over less than one square mile of water, [6] including 3.6 EBq of caesium-137 and 0.74 EBq of strontium-90. [4]
The most polluted river in Japan from the 1960s to the 1990s, leading to cleanup efforts. [218] River Churnet: Staffordshire, England: Became possibly the most polluted river in Europe in the 19th century. Improved after the decline of industry in Leek and the Churnet Valley. [219] Charles River: Massachusetts, United States
When Lake Kyzyltash quickly became contaminated, Lake Karachay was used for open-air storage, keeping the contamination a slight distance from the reactors but soon making Lake Karachay the "most-polluted spot on Earth". [9] [10] [11] A storage facility for liquid nuclear waste was added around 1953. It consisted of steel tanks mounted in a ...
Of particular concern is Lake Karachay, the closest lake to the plant (now notorious as the most contaminated place on Earth [12]) where roughly 4.4 exabecquerels of high-level liquid waste (75-90% of the total radioactivity released by Chernobyl) was dumped and concentrated in the shallow 45-hectare (110-acre) lake [13] over several decades.
The Thea Foss Waterway is one of the most polluted recreational waterways in the United States, according to an environmental nonprofit that regularly tested 567 beaches and other popular sites in ...
The National Parks Conservation Association has listed the most polluted U.S. national parks.. Five California national parks made the top 10 including Sequoia, Yosemite and Joshua Tree, according ...
To skip our detailed analysis, you can go directly to see 5 Most Polluted Countries in the World. Pollution is one of the main problems being faced by the world right now, being detrimental to ...