Afforestation is the planting of trees where there was no previous tree coverage. Degradation of forest ultimately leads to a decrease in oxygen and a sufficient increase of carbon dioxide. In order to make up for the loss, more trees are being planted.
Trees are indicators of a community's ecological health. While urban ecology is more complex than just tree cover, trees are good indicators of the health of an urban ecosystem. When trees are large and healthy, the ecological systems-soil, air and water-that support them are also healthy.
The most basic needs our bodies require to survive is Air. Oxygen in one of the most essential human needs. Alkaline Water. Apart form air, water is the most essential element to life. Food