Richard Heinberg
Peak Oil: The Challenge, the Possible Responses
(45 minute presentation)
Audio Download (PodCast – 15.8MB – higher quality)
Audio Download (MP3 – 8.6MB – lower quality)
David Holmgren
Permaculture: Solutions For Energy Descent (45 minute presentation)
Audio Download (PodCast – 15.8MB – higher quality)
Audio Download (MP3 – 8.6MB – lower quality)
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