Firstly we need to begun with us as charity begins at home. u can make posters and post all around ur school.. go for campaigns do protests if u have a senior citizens u can tell them to take this to the government and they might take it to the place where ur not able to reach. i am sorry i didn't understand the second part of the question.
you can create awareness by telling about the harmful consequences of nuclear disaster. you can put up a short notice on it. you can organize a club on ban nuclear disaster. you can put up posters. you can tell the children to find more about nuclear disasters . make it sure that those who bring out the best would be rewarded. the most important one is elders, parents , teachers should make them clearly understand about this. Hiroshima peace memorial ceremony is on august 6 th.
hope I helped u
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