In the system of sustainable development, the energy is the base, the economy is the core, and it is the key to ensuring the harmonious development between the energy system and the economic system. In this paper, using the principal component analysis method, the complex development index and...

This article presents a theoretical model for a dynamic system based on sustainable development. Due to the relatively absence of theoretical studies and practical issues in the area of sustainable development, Romania aspires to the principles of sustainable development. Based on the concept as...

The scavengers and decomposers in ecosystems are presented as metaphors for agricultural and food industry systems' sustainability. These organisms of ecosystems can both take in wastes from other organisms as well as produce materials for them to use. We argue that the metaphor is beneficial...