The number of cars worldwide has increased, and the number of trees has dropped. The trees on the edges of the roads were cut for one or two more strips, but nothing was settled again. Until we realize that without the oxygen produced by trees we can't live, we will boil in our own juice, on the hot summer days, sheltering us in the shadow of the concrete buildings.

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They are an oxygen source. We can not exist if there were no trees. A mature tree produces, over the course of a season, an amount of oxygen equivalent to that inspired by 10 people over a year. A forest acts like an enormous filter that refreshes the air we breathe.
Clean the earth. Absorbs hazardous chemicals that reach the ground. They have the ability to filter domestic and chemical chemicals from farms and reduce the effects of substances that spill over the road.
Controls the noise pollution in the big cities. It is important to plan them strategically around the house. Reduce the noise produced cars, trains and planes.
Reducing the dramatic effects of floods. We saw on news every year, through the locals in the areas where massive deforestation took place. And, even though their households are washed by water, very rare are the cases where people think of planting trees, so that they do not go through the same situation again.
To produce oxygen, the trees absorb the carbon and store it in roots and leaves. A forest can swallow so much carbon as it produces oxygen.
Clean the air. Absorbs carbon monoxide, sulfur dioxide and nitrogen.
For shade and cool. What about the summer we should be in the shade of a thick tree? The shade of trees reduces the need for air conditioning. Studies show that people living in cities with few trees boil in their own juice, the temperature being higher by a few degrees than in an area near a park, for example.
Act as a shield against the wind. In autumn or winter, the trees in the wind direction act as a shield. What benefits do people have? Thanks to a handful of trees in the wind, they will pay up to 30% less on the heating bill.
Prevent soil erosion. Soil erosion control projects have always begun with planting trees and grass. The roots of the trees strengthen the soil, while the leaves are winding the force of wind and rain.
Increase the value of a property. If you sell a house or apartment located near a park, you have all the chances to get nice money on them. Trees increase the value of a property by at least 15 percent.

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