Introduction: The Ecological Opportunity in the Global World System in Crisis Blandine Laperche, Nadine Levratto and Dimitri Uzunidis PART I: STRENGTHS OF CHANGE FOR A GREEN ECONOMY 1. The Clean-tech Revolution in California and in France -- Opportunities and Challenges Anne Senges 2. Emergence of Ecological Opportunities and Firms' Behaviour Blandine Laperche and Nadine Levratto 3. Sustainable Consumption in an Evolutionary Framework: How to Foster Behavioral Change? -- Nathalie Lazaric and Vanessa Oltra 4. Technology and Sustainable Development: Myth or Reality? -- Arnaud Diemer PART II: THEORETICAL ORIGINS AND POLITICAL ASPECTS OF THE ECOLOGICAL OPPORTUNITY 5. Regreening the Earth While Making Our Economies More Serene and Fair Willem Hoogendyk 6 Economic Theories, Environmental Issues and History of Thoughts Sophie Boutillier and Patrick Matagne 7 Sustainable Development: The Teachings of the Physiocrats and the Classics Pierre Le Masne 8 Political Aspects of Innovation in an Ecologically Unsustainable World Jerry Courvisanos 9 Capital Accumulation, Crisis and 'Return to Nature'? Dimitri Patelis PART III: THE ECOLOGICAL OPPORTUNITY IN A CHANGING WORLD 10. Towards a Social and Environmental Economy Pierre Gugenheim 11. Formation and Deformation of the Environmental Kuznets Curve for CO2 Emissions Thomas Jobert and Fatih Karanfil 12. Clean Technologies and Perspectives of the 'Green Economy' in Emergent and Developing Countries: Foundations, Opportunities and Constraints Marc-Hubert Depret and Abdelillah Hamdouch 13. Global Governance, Resources and Sustainable Economic Development -- A Critical Approach of the International Economy Lamia Yacoub and Dimitri Uzunidis 14. Global Economic Governance for More Stable and Sustainable Development -- Some Proposals from the 'Stiglitz Report' Andre Gabus and Alexander Hawthorne Index.