Patrick SCHEMBRI completed a PhD in economic sciences from the University of Paris 1 Sorbonne in 1997, under the direction of René Passet. Patrick Schembri is a lecturer in economic sciences at the UVSQ and head of department of economic sciences there. His research activities aim to cross two problems: that of sustainable development in a sense quite specific and that of use and conflicts over resources and directions for develop-ment, in their diverse declensions reflect back on different fields of economic analysis: ecological economics. Environmental economics, energy and climate change economics, economics of development, international economics and the macroeconomics financier. Several problems are examined: green knowledge, energy and climate constraints, carbon finance, security, clean technology transfer, inequalities, professional career paths, life-long learning.