1. Factor four: doubling wealth—halving resource use;Weizsacker,1997
2. Is energy efficiency good for the environment: some conflicts and confusions;Herring,1996
3. Special issue: cross-country comparisons of indicators of energy use, energy efficiency and CO2 emissions;Schipper;Energy Policy,1997
4. Consuming myths;Pearce;New Scientist,1998
5. Herring H., Does energy efficiency save energy? The economists debate, report no 74. EERU, Open University, Milton Keynes, UK, 1998. See also http://www-tec.open.ac.uk/eeru/staff/horace/hh3.htm