In fiction, 'internal conflict' refers to a character's internal struggle. A character might struggle with an emotional problem such as fear of intimacy or abandonment, for example. External conflict, on the other hand, refers to the conflicts between a character and external forces.
I am at a station since I can see many bags and many people since it says that the line stretched for ever. Also it says there is a gate and staions have gates.
The business would be loosing it's own money because it's using it's own expense to clean up the pollution which is a side market failure because you are loosing money instead of gaining.