The present articles seeks to provide and set some guidelines for a suitable use of the tools used in Projects Evaluation, especially with regard to Cash Flow.

The present article explains some comments on the components of the Public Investment National System (PINS), with the only purpose of contributing to perfecting its implementation, thus reaching its intended aim.

The investment projects involved various means to generate a set of impacts, whether they own the project, social and environmental issues that should be incorporated into the evaluation to determine its viability. The following article has got the principal objetive of analyze the development of environmental impact estudies in relation to the projects and propose a focus on integration between both.

The present articles seeks to provide and set some guidelines for a suitable use of the tools used in Projects Evaluation, especially with regard to Cash Flow.

The present article explains some comments on the components of the Public Investment National System (PINS), with the only purpose of contributing to perfecting its implementation, thus reaching its intended aim.

The investment projects involved various means to generate a set of impacts, whether they own the project, social and environmental issues that should be incorporated into the evaluation to determine its viability. The following article has got the principal objetive of analyze the development of environmental impact estudies in relation to the projects and propose a focus on integration between both.