This is our trash after five days of camping. It's basically the plastic bags the ice came in and a plastic wrapper from a piece of cheese. By the way, we're not trying to make zero trash, this is how we do it at home, and this is how we do it away.
I noticed that most campers produced a full bag of trash - every day. I find that to be unacceptable and lazy. Lazy is one of my pet peeves. I tend to lump a lot of things into the "lazy" category.
Not only that, some campers just threw away everything: redeemables, recyclables, wet sleeping bags, 'disposable' items. It's like magic! It just disappears when you throw it in a dumpster! Poof!
There is no excuse. You are your trash, consider it a mirror.