This presentation is about making renewable energy in your backyard from food scraps. Dr Alexander provides an introduction to domestic-scale biogas production and provides an independent, four-year review of the Home Biogas system.

This is Part I of the Ecological Civilisation series, written and presented by Samuel Alexander, co-director of the Simplicity Institute.

The introduction is available here:…

This series will be grappling with the problems of consumerism and the growth economy; envisioning alternative, post-carbon ways of life; and considering what action can be taken, both personally and politically, to help build an ecological civilisation. New presentations will be added to this playlist over time:…

You can support this channel by purchasing an e-book from the Simplicity Institute, available on a ‘pay what you can’ basis (edit the price as you choose for a donation):

Paperbacks are available here:…

The Home Biogas system under review in this video is available here (this is a non-affiliated link):

UPDATE from Dr Alexander: “In the presentation I said that I knew of no national or international standards that regulated household biogas systems. I’ve just discovered that recently international standards have been created: – This is great news as it shows this technology is gaining acceptance and recognition.”

Samuel Alexander’s work is available here:

The Simplicity Institute website is here:

We’d like to thank Andrew Doodson, Jordan Osmond, and Antoinette Wilson for offering invaluable production advice.

The opening image is kindly provided by Melissa Davis.

Other image references are available here:…

The music is provided by Mortimer’s Method:


Teaser photo credit: Biogas production in rural Germany. By Cec-clp – Own work, CC0,