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Nav: Home
1. Introduction
1.1 Energy & History
1.2 The Next Energy Transition
2. Energy Futures
2.1 Four Energy Futures
2.2 Views of the Future
Human Capital
Collapse
Energy Descent
Permaculture
3. Climate & Peak Oil
3.1 Climate Change
3.2 Energy Reserves & Production Peaks
3.3 Collapsing Oil Exports
3.4 Net Energy Return
3.5 Associated Issues
4. Descent Scenarios
4.1 Scenario Planning
4.2 Interaction of Energy and Climate
4.3 Four Descent Scenarios
Brown Tech
Green Tech
Earth Steward
Lifeboats
Summary
5. Reactions
5.1 Depressing and Positive Scenarios
5.2 Scenarios in Different Places
5.3 Stepped Descent
5.4 Nested Scenarios
5.5 Relevance of Mainstream Sustainability
5.6 Relevance of Principles
5.7 Permaculture Meta-Scenarios
6. Conclusion
Extras
Endnotes
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Gallery / Green Tech / FS-GT_001.jpg

FS-GT_001.jpg

FS-GT_001.jpg
FS-GT_001.jpg
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Wind turbines and wheat crop Pomerland Germany 2005

In the Green Tech scenario rapid growth in renewable energy technolgies continues but the equally rapid expansion of biofuels from agricultural crops is curtailed as government policies shift from concern about fuel supply security to food supply security. Broadacre agriculture continues to provide most non perishable food but high fertiliser and chemical cost accelerate the change to carbon building organic methods.

Download photo (3072x2048)

Creative Commons License
All photos by David Holmgren unless otherwise noted. David's photos are licensed under a Creative Commons Attribution-Noncommercial-Share Alike 3.0 Unported License. For the gallery software we are indebted to the communty who have created the open source project Gallery2.
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