

Life Begins at 30:1
The dire global energy and ecological emergency makes it all the more important to identify and understand well the EROI thresholds that...
Third Energy Challenge
The previous analyses concerning the First and Second Energy Challenges lead us now to expand on the Third, that is, the economic and...


Second Energy Challenge - Lack of Alternatives
Unfortunately, the fossil fuels EROI issues examined previously are compounded by a lack of alternatives. In earlier postings we...


First Energy Challenge - EROI and Peak Oil
For many years a number of energy analysts have warned of the dangers of declining EROI trends for both oil and gas. While oil was...