By Post Carbon, Oilprice.com:
Few would argue with the proposition that within the next 20 or 30 years our current sources of fossil fuels and other somewhat substitutable liquids will be only a fraction of the 90 or so million barrels a day (b/d) that we are current consuming. Long before then however, fossil fuels are likely to become so expensive that major changes in how we power our civilization are likely to have occurred.
Some of this change will come because existing renewable technologies such as wind and solar become more economically competitive. Some changes will come because new technologies will be discovered or developed into sources of energy or methods of saving energy. A few years of global crop failures may be enough to convince a critical mass that there is indeed something to this carbon emissions thing and something has to be done… Read more