It is naturally present in the atmosphere. It exists both in the troposphere (lower atmosphere) and the stratosphere. If so, are the actions of mankind to blame for earth’s temperature increases? What can/should be done about these issues? 2003_Chemistry_A_ozone_cfcs_Ashlee_Betteridge.ppt HOW TO CONTROLE Ozone Hole AND PRECAUTION HOW TO REDUCEDGE global warming ITS INTRODUCTION EXPERIMENT WITH ALUMINIUM AND REINFORCEMENT 
