Recent posts by Gregor MacDonald
September 19th 2012
It is almost certainly the case that humanity has entered a third, historic energy transition. The first two, from wood to coal in the 18th century and then coal to oil in the 20th century, in retrospect seem obvious in their outcomes. But no such benefit of hindsight exists today as economies--western in particular--struggle with the end of cheap oil. Left to cast about for the next primary energy source, energy futurists have probed everything from algae to thorium as industrialism limps slowly away from fossil fuels. But one technology offers promise: solar.