There are better landfill technologies from Japan[1][2], Shanghai recently switched[3][4] to them. But they still require careful sorting of the garbage, removing dangerous and easily decomposable organic materials. So maybe it is time for the US to learn from Japan?

[1] https://www.japantimes.co.jp/life/2017/02/18/environment/was...

[2] https://www.japantimes.co.jp/2019/04/29/special-supplements/...

[3] https://www.scmp.com/news/china/society/article/3016801/shan...

[4] https://qz.com/1650893/japan-wants-to-become-southeast-asias...