"Let me think here for a minute... hmmm... Should I use the cup holder in my car and then toss my trash into an appropriate container? What are my other options? Think, think, think. I know, I'll open my door and place it on the street. Paper is biodegradable. This rainy season will surely return it to earth. Dust to dust and all that. As for that long-lasting plastic top, it's the same color as natural earth. The wind will blow it into a special spot no one will ever notice."