Sustainable development calls for the use of sustainable energy systems. However, the way in which a geothermal resource is utilized will ultimately determine whether or not the utilization is sustainable. Energy usage is set to increase worldwide, and geothermal energy usage for both...

Evaluating the environmental sustainability performance of a nation is complex. This paper considers the merits of environmental indices, and how effective they are when assessing the environmental sustainability of any nation. The simplicity and generic qualities of environmental indices...