Top harm - to hurt. I don't want to harm the person in front of me. The man from Kuwait spoke at the UN hearing about the horrible things the Iraqi's had done to him in the war. Mary was given the mission to go to the flower shop and choose the nicest flowers for her mother. The show is occurring right now.
Pesticides can make people sick if they eat something with the chemicals on it.
Burning oil is a pollutant. The air around Los Angeles is yellow because it is full of pollution. The prevention of forest fires is possible if your are careful with your camp fires and cigarettes. My big brother is my protection against those big kids at school who want to hurt me. Our school recycles old newspapers.