Uranium is 19 times more dense than water. 2000 tons of nuclear waste means 100 cubic meters. 100 cubic meters means a 40 foot + 20 foots containers. That is th

Uranium is 19 times more dense than water. 2000 tons of nuclear waste means 100 cubic meters. 100 cubic meters means a 40 foot + 20 foots containers. That is the highly radioactive waste produced by the US each year. This powers 20% of the US. Of course, actual storage would be in some caskets, so a higher volume, but that is the radioactive material volume. There are ~450 reactors in the world with the US operating close to 100. You don't get to millions of tons. Plants themselves are producing lower radiation materials, that don't need those iconic caskets or the extreme care. They wuldn't melt down or anything. This is from day to day operation (gloves, suits, containers) and decomissioning.