It's both cheaper and more likely to remain isolated from the biosphere in stable geologic formations like crystalline bedrock than going through the trouble of

It's both cheaper and more likely to remain isolated from the biosphere in stable geologic formations like crystalline bedrock than going through the trouble of (relatively unreliably) getting into (and out of) orbit. Current nuclear waste solutions are perfectly sufficient and appropriate [1]. [1] https://whatisnuclear.com/waste.html https://whatisnuclear.com/waste.html