Environmental issues grow up everywhere in our life, the nature and economic activities. Agriculture is very important branche with its impacts concerning of countryside, safety of foods and the other. National and Common agricultural policies have taken into account this dimension in their...

This paper sets up an input-output system of the relevant ecosystem flows that determine the carbon cycle in the global ecosystem. Introducing energy as the value added component in the ecosystem, the flows can be expressed in "energy values". Linking the ecosystem input-output model with the...