Page added on March 3, 2014 The economic foundations supporting fossil fuels investments are collapsing quickly, as the business case for renewables such as solar and wind finds a new center of balance. I have waited a long time—decades, really—for a tipping point in the energy transition from fossil fuels to renewables beyond which there can be no turning back. Fresh evidence pertaining to many themes I have explored in this column over the past three years suggests that tipping point is finally here. Oil and gas Underlying the abundance hype over tight oil, tar sands and other “unconventional” sources of liquid fuel has been a dirty little secret: They’re expensive. The soaring cost of producing oil has far outpaced the rise in oil prices as the world has relied on these marginal sources to keep production growing since conventional oil production peaked in 2005. Those who ignored the […]