1. "The Limits to Growth", D H Meadows, et al, Earth Island Limited, London
2. "Beyond the Limits", D H Meadows, et al, Earthscan Publications Limited, London and "Limits to Growth - the 30-Year update", D H Meadows et al, Chelsea Green Publishing Company, White River Junction, Vermont.
3. "The CIA in the New World Order: Intelligence Challenges Through 2015", John C Gannon, 1 February 2000, CIA speech
4. "Global Strategic Trends" issued by UK Ministry of Defence, MOD quote
5. Hubbert Peak Hubbert peak
6. "bp statistical review of world energy 20xx", bp web site
7. "UK Motor Industry Facts 2018", SMMT, SMMT report
8. "Network Rail", Strategic Business Plan 2007, Business Plan
9. "The Energy Review" Meeting the Energy Challenge, January 2008 White Paper
10. "Securing our Future Health: Taking a Long-Term view" and "Securing Good Health for the Whole Population", Derek Wanless, April 2002 and February 2004, Health report
11. "Pathways to Future Vehicles, A 2020 Strategy, April 2002 and "Fuelling Road Transport", November 2002, The Energy Saving Trust, Hydrogen power
12. "Motoring towards 2050", RAC Foundation for Motoring, May 2002, RAC report
13. "Energy Analysis of Power Systems", World Nuclear Association, March 2006, WNA Analysis
14. "Nuclear power - the energy balance, energy insecurity and greehhouse gases", Storm van Leeuwen, October 2007, Nuclear Energy
15. "Electricity from the Oceans", Marine Current Turbines
16. Aircraft fuelled with liquid hydrogen, 6 December 2001, Airbus Cryoplane
17. "How much oil does Iraq have?", 12 May 2003, Gal Luft, IAGS
18. Association for the study of peak oil and gas, ASPO Newsletters
19. Fuel for Tomorrow's Vehicles, F. David Doty, 1 March 2004, Hydrogen, etc &
20. Directory of peak oil websites, Directory
21. Hybrid train propulsion system, Hitachi
22. Alternative Energy News, Global Oil Watch