thermodynamics. The purpose of the four systems conditions is to find a framework for discussing sustainable human activities through non-overlapping first order principles. To come up with the principles, research was on human activities, and how they could destroy or deteriorate the ecological system that we depend on. In a sustainable society, this would not happen. Internet
             The four systems conditions do not tell the company what to do, it provides the first order principles that must be met for sustainability. The framework where this sustainability can take place are derived through the four system conditions which are as follows:
             i. Substances from the Earth's crust must not systematically increase in nature.
             ii. Substances produced by society must not systematically increase in nature.
             iii. The physical basis for the productivity and the diversity of nature most not be systematically diminished, and
             iv. We must be fair and efficient when meeting human needs.
             The first order principles "four system c
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