Most likely A, to insure safety from terrorist.
The Literary device is PATHOS. It is a method of persuasion and convincing the audience with an argument that appeal to the emotions and feelings. In this particular statement, the author attempts to persuade the audience to get involve into the recycling program actively by appealing to their emotions and feelings towards the environment.
That wouldn't be considered taunting, the term for that would be an insult.
