Trees play a very important role in our life. We cannot live without them. They give us many things like , wood, paper , gum , medicines, etc. Trees add beauty and charm in our life. Gardens can not be charming without them.Trees control pollution. They absorb carbon dioxide from the atmosphere and give oxygen out. And thus they maintain balance in the ecosystem. They cause rainfall and protect water resources under the ground. They prevent floods and droughts. We should do our best to protect them because without them life will never be possible.