Today, less than two percent of the world's energy consumption derives from advanced, renewable sources such as solar, wind and biofuels, less than two percent, and the reason is purely economic.
Hoy, menos del 2% del consumo mundial de energía procede de fuentes de energía renovables como la solar, la eólica y el biocarburante. Menos del 2%, y la razón es completamente económica.