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Understanding the divergence in EROI for solar PV

Some analyses calculate an EROI for solar PV of 60:1 or higher, while some calculate a much lower EROI, in one recent case, less than 1:1. The casual observer could be forgiven for wondering what’s going on. Since there is such a wide divergence, the default...

The EROI of global food production

Glaub and Hall have an interesting analysis of the EROI of hunter-gatherers. Despite humans being generally smaller, slower, and weaker than most large mammals, humans were successful hunters long before the invention of sophisticated weaponry. This was achieved by...

Pathways to the Post-Carbon Economy

In June 2017, Nafeez Ahmed published an article 3 ways Clean Energy will make Big Oil extinct in 12 to 32 Years — without subsidies  which illicited debate in the sustainability community. In response, Nafeez suggested a symposium titled Pathways to the Post-Carbon...