Each tree works as an eco-system Each tree works as an eco-system where birds, insects and other where birds, insects and other life forms live life forms live . . Cutting a Cutting a tree, we destroy the surrounding beings tree, we destroy the surrounding beings. Trees reduce pollution Trees reduce pollution . . Tree leaves absorb the dust particles from air Tree leaves absorb the dust particles from air and act as dampeners for the traffic noise and act as dampeners for the traffic noise. Trees are city lungs Trees are city lungs. Via photosynthesis, they contribute to CO2 Via photosynthesis, they contribute to CO2 absorption from atmosphere absorption from atmosphere and release of O2 and release of O2. Tree toots retain rain water Tree toots retain rain water , , Preventing draught and floods Preventing draught and floods. Trees protect soil against erosion Trees protect soil against erosion . . Trees support soil particles with their roots Trees support soil particles with their roots. THE THE IMPORTAN IMPORTAN CE CE OF TREES IN OUR OF TREES IN OUR LIFE LIFE . .