Life in the city is very difficult to get the supply of clean air we need, it's different if we are in the countryside. What is the real factor that makes the lack of clean air in our environment?. To restore clean air is not impossible to do, everything we have first (clean air) is now almost destroyed because of the air pollution, and all of that we can return as before.
Trees are one of the most important factors in the creation of clean air, because we know that the nature of trees is to produce or amplify the oxygen that we are opposed to, if we emit carbon dioxidants and inhale oxygen, then trees are things that should co-exist with us to create clean air and fresh.
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