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My major point when I gave my talk at the Fifth Biophysical Economics Conference at the University of Vermont was that our economy’s overall energy return on investment is already too low to maintain the economic system...

This is a guest post by Adam Brandt, Assistant Professor from Stanford University, Department of Energy Resources Engineering.

This is a guest post by Matthew Kuperus Heun (Calvin College) and Martin de Wit (Stellenbosch University & de Wit Sustainable Options) based on their recent paper in Energy Policy.

The post below is a reproduction of a paper published in the open access journal Sustainability by Michael Dale, Susan Krumdieck, and Pat Bodger (Vol. 3).The article is a first in creating a dynamic function where Energy...

Hall and Day (2009) report that the EROI for coal might be as high as 80 and that for hydropower, EROI is 40. Does this mean that coal is twice as ‘good’ as hydro? The answer is no, and in this post I will discuss how...

In recent years, we have heard statements indicating that it is possible to decouple GDP growth from energy growth. I have been looking at the relationship between world GDP and world energy use and am becoming increasingly...

This is a guest post by Leena Grandell, an independent energy analyst from Norway. Her research summarized in this post was carried out in collaboration with Charles Hall from New York State University and Mikael Hook from...

The EIA published International Energy Outlook 2011 (IEO 2011) on September 19, showing energy projections to 2035. One summary stated, "Global Energy Use to Jump 53%, largely driven by strong demand from places like India...

The idea that high oil prices cause recessions shouldn’t be any surprise to those who have been following my writings, or those of Dave Murphy, or those of Jeff Rubin...

At the most recent ASPO-USA conference, I gave a presentation as part of a panel hosted by The Oil Drum. The subject matter of my post was taken from a recent paper developed by Charles Hall and me on peak oil, net energy,...

The following is a brief portion of a paper of the same title that we (Charles Hall and I) wrote and that is currently under peer-review. I will be presenting on this topic at this year’s ASPO conference in Washington,...

Below the fold is rerun of an essay from Cutler Cleveland on energy transitions. The unfolding drama in the Gulf of Mexico serves as a reminder of how dependent our modern civilization has become on fossil fuels. Dr. Cleveland's...

The following multi-part series is taken from a paper we published last year in the free, on-line journal Energies. You may access the entire PDF here. All references can be found in the pdf. Part 1 can be found here. Part...

The following multi-part series is taken from a paper that my colleagues and I published last year in the free, on-line journal Energies. You may access the entire PDF here. All references can be found in the pdf.

The Smart Growth Portfolio This is a guest post by Tom Konrad, Ph.D.  This article was first published on his Clean Energy Wonk blog. Current renewable energy technologies must be adopted in conjunction with aggressive...