Well, this is concerning (at least to me)
timesofindia.indiatimes.com/science/natu...
timesofindia.indiatimes.com
A uranium mill left radioactive waste beside Utah’s Colorado River for decades; after trains began hauling it away in 2009, crews have now removed 17 million tons to a disposal site 30 miles away
17 million tons had been removed from the riverbanks.