My home municipality on the west coast of Norway sends their waste to Sweden to be burned. Before we did that, all households had to sort the waste into separate bins for plastic and organic waste. The organic waste were turned into compost locally. It changed because Miljøverndepartementet (Ministry of Environmental Protection) changed the regulations for depositing plastic waste. So many municipalities have trucks going "over the mountain" with waste to Sweden to be burned. And we actually have the ability to burn waste for energy here on the west coast of Norway, but I guess simply sending it to Sweden is cheaper. And it actually isn't quite as bad as it sounds like because many trucks also deliver manufactured goods from Sweden and would have return empty.

I have no idea what the net environmental benefit is (or if it even is positive (or if anyone really knows)).