Almost every class has essay writing in its curriculum, and the pollution essay is a hot topic among other essay topics. All humans need to know about pollution and how it adversely affects the environment and life on earth. We should be aware of treatments for pollution so that they can take action to reduce it. Today’s youngest environmental activist is Greta Thunberg from Stockholm, Sweden. She proved that she can save Mother Earth even when she is young. There is no age limit to take on this great responsibility.