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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
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Gallery / Brown Tech / FS-BT_014.jpg

FS-BT_014.jpg

FS-BT_014.jpg
FS-BT_014.jpg FS-BT_014.jpg
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Cultivation for large scale vegetable production Ventura California 2005

In the Brown Tech scenario increased aridity and unreliable water supplies reduces production of grains and other staples causing governments to give priority of fuel, fertiliser and technology for agribusiness to ensure food security for large urban populations. Demand for fruit and vegetables from centralised market systems declines due to increasing poverty and more self reliance from home and community gardens Some land previously growing high value horticultural crops for national and global markets is converted to production of grains and other staples.

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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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