Are we really protecting the environment?

We were a family of five, and had one dustbin, which was rarely full. We did have a coal fire, and everything which could be burned was burned. Food was bought every day, and usually brought home wrapped in brown paper or newspaper. Glass bottles went back to the shop or milkman. Now, I know burning so many things couldn't have been good for air quality, but are we really better off with our ( at least) 4 large wheelie bins?