Yes they are different. But waste is still waste. We have problems with trash. Another waste. Dealing with carbon waste. Another thing. Now have to deal with nuke waste.

Our country ain't that big enough. Whats more the reason SEA are chosen to store waste is because we have a lot of trees.

Now imagine you have to clear lots of land to store either carbon or nuke waste. Those things are underground for 100 years. No one would know if it leaks into soil or not.