50 years ago, no one talked about acid rain. Then we didn't really knowharmwas causingthe world. Today almost every adultschool childawareacid rainits effects. It affects people all aroundworld. Even those who are not responsibleits creation suffer from it. Itcaused mostly byburningfossil fuels. Fossil fuels are coal, gas, oilpeatcreate carbon when they are burned. Carbonboth necessarydangerousour world. Plantstrees need carbon dioxide, CO2,breeze. Carbon monoxide, CO, however,poisonousus. When carbonother elements get intoair, they mix with waterthe clouds. The clouds move aroundworldproduce rain. This rainlike an acid anddestroys trees, plants, riversfish whenfalls. The more treesdestroys,more difficult itfor natureredressbalance. The burningfossil fuels must be controlledorderassistthe preventionacid rain.