Leonid Bershidsky: Why we’re choking on Amazon cardboard

In the courtyard of my apartment building in Berlin, one of the eight containers for various kinds of garbage (Germans are fanatical about trash separation) is for paper and cardboard. That blue container is emptied every Wednesday, and it's always chock-full by Thursday. My wife and I have taken to watching the container and running to it after the weekly pickup with our pile of cardboard from Amazon and other online stores; that's mostly what our neighbors cram into the blue bin, too.This is a