Sorry I can't spare the lecture. There is no excuse for this practice. You can use non slime tubes or carry a plastic bag and discard the whole works properly later. The because it's convenient for me so I'll just through it out now attitude really gets to me. Have some respect for the natural environment where you are riding. And yes I know I have make an impact on the environment by driving my car or even disposing of a tube in a proper manner. Everyone living in the modern world does, but we can do simple little easy things to minimize our impact.