Littering is a bad thing
Mike parked his car in the park where he ate his fast food lunch.
Mike wants to get rid of his trash.
Mike gathers his trash and walks to the trash can to throw it away.
Mike rolls down his window and throws his wrappers on the ground as he drives away.
Visitors to the park are pleased with how well maintained the park looks.
Visitors that arrive to the park after Mike think the park looks unkempt.