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  1. Introduction
  2. The environment is seriously threatened
    1. The proliferation of environmental risks
    2. New Environmental Global Risks
    3. Worrying prospects
  3. The redesigned environment
    1. The ecological awareness (1960-70)
    2. The emergence and spread of the concept of sustainable development (1980-2000)
    3. A concept that raises questions and debates
  4. The saved environment?
    1. The decisive action of States and Governments
    2. Business and the Environment: New governance, new markets
    3. Towards an eco-citizenship?
  5. Conclusion

Deforestation is due to the phenomena of natural deforestation and human action. From an ecological perspective: it is a significant factor in global warming, since trees are not present for the process of photosynthesis to take place, which results in an increase of CO2 in the atmosphere. This results in more partial destruction of the ozone layer, which promotes the passage of harmful UV that, affects health and causes a rise in temperatures.

On the economic point of view: trees are the basis of many materials used by man, both in the building (it is used as a beam, frame, floor, wall etc) and in education (handouts, benches, tables, filing etc) and in everyday requirement (chairs, tables, cabinets, heaters etc). In Amazonia, wood is an important source of income. From a political point of view: the policies of developing countries are often unstable and in need of a developing economy, resulting in high deforestation in these countries.

Natural deforestation is a small part of global deforestation but it exists and is not a source of danger to wildlife. Its main causes are: storms, fire and biotic. Man and the economy, politics and ecology contribute massively to a massive deforestation. Even in the twenty-first century, it does not fully measure the harm of his actions on the wood is a material essential to life. Man uses wood for heating, furnished, shelter. As a result; people consume a lot of wood, regardless of the negative consequences that the lack of it could result in the future. The big mistake is not to replant new trees after cutting most of the mature trees.

The wood is a very important business. It is a component of many objects of everyday life, in furniture, construction of buildings and other infrastructure. The construction of a single piece of furniture is of use to a lot of people at different levels: from the cutting of the tree to the transportation to the saw mill, treatment in some cases, assembly and sale. All this makes wood one of the essential elements of an economy.

Tags: deforestation; ecological perspective; natural deforestation; developing economy; wood essential to economy;

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