Short essay, intro, 2 or more body paragraphs, conclusion. NO REFERENCES, PARAPHRASE SOURCES, AS PER PROFESSORS INSTRUCTIONS.

 List the reasons why pollution is considered a negative externality. Then,     provide another example of an action that creates negative externalities that you think is not been paid sufficient attention to. Explain why it is in fact a     negative externality and what should be done about it. Then, provide an      example of one or more actions that create positive externalities and explain why they are or should be considered positive externalities.