2014.04.30
Concentration
Not absolute amount of a material is essential for its availability, but the concentration - or even dispersion. It is quite similar for (energy-)raw materials in demand than for abatement and waste gases.
2014.02.02
Energy Imports
Germany - like many other countries - relies strongly on energy imports. Cost of imports from energy carriers burden trade balance annually by nearly 100 billion Euro - with continuous upward trend.
2013.06.24
Space and Energy - Real Estate!
What does account primarily for the value of real estate? - Space provided on earth cannot be enlarged.
Similar does happen to energy, too: Energy may be converted between different forms, but will never increase by conversion.
Thus, most efficient...