I use to travel around the world and the difference between European countries and USA is abysmal regarding trash. It turns obvious in a few hours. I am not an

I use to travel around the world and the difference between European countries and USA is abysmal regarding trash. It turns obvious in a few hours. I am not an expert in garbage though but it is a trivial observation that anyone travelling to those two regions could easily observe. I just felt a "denial of service attack" on Denmark trying to separate the garbage in different classes that I couldn't perfectly distinguish without some training.