Faced with the urgency of climate change, many countries have begun their ecological transition, with the war in Ukraine only accelerating the movement. After soaring in 2022, investment in “clean” energies is set to reach a new record in 2023: around USD 1,800 billion worldwide, or 1.7 points of GDP, according to estimates by the International Energy Agency (IEA). Although the search for new fossil fuels has not yet come to a halt, it is now mobilizing less capital (around USD 1,200 billion).
Since its publication last May by France Stratégie, the "Pisani-Mahfouz" report on the cost of ecological transition in France has been the subject of numerous, sometimes imprecise comments. For example, the main quoted figure of EUR 66 billion does not refer to the investment required for decarbonization, but to a net additional financing requirement. Explanation.
