” However, under sustainability precepts, we are supposed to predict future technologies – and ensure that today’s resource demands will not compromise the completely unpredictable energy and raw material requirements that those completely unpredictable future technologies will introduce. We are supposed to safeguard the assumed needs of future generations, even if it means ignoring or compromising the undeniable needs of current generations – including the needs, aspirations, health and welfare of the most impoverished, malnourished, disease-ravaged, energy-deprived, politically powerless people on Earth. “