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Páginas: 4 (920 palabras) Publicado: 19 de noviembre de 2012
For example, in urban areas the summer temperatures and noise levels are higher than in the surrounding rural areas. The air pollution problems are greater and the landscape is significantly altered,reducing the health benefits available to us when we have access to wooded areas and open green areas.

Trees help to solve these problems: reduce the temperature of the sun with his shadow,increase humidity in dry climates through evaporation, reduce glare on sunny days, and reduce wind speed.
Currently 75% of us live in towns and cities, and we can act individually to improve our naturalenvironment planting and care of trees in our streets and supporting reforestation programs in the community.












PROBLEM

The problem of air pollution is affecting the entiremetropolitan area and industry, the rate of CO2 each day increases in alarming numbers reaching critical levels and causing irreversible damage to those affected.
Four thousand people die annually dueto air pollution in the Federal District (DF), said Dr. Mario Molina Pasquel, Nobel Prize in Chemistry 1995 for his research on the ozone layer.
Respiratory diseases and skin are more common everyday and still continues to ignore the real problem without the use of non-renewable energy that cause combustion.
Daily discharged into the atmosphere pollutants produced by burning 43 million litersof oil and it is clear that these and other toxins in the atmosphere are related to many conditions suffered by capital, ranging from a simple burning eyes until disease as chronic bronchitis.JUSTIFICATION

With the increase in population, and therefore the use of toxic gases discarded vehicles, household waste and lack of social conscience, has neglected the importance of caring for theenvironment and its resources. That is why we considered the increase of vegetation, air purifying, and we believe that one way to achieve this is by planting more trees in public places (parks, etc.)...
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