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.