We have ten years to change the climate trajectory of our economies and Emmanuel Faber is “fundamentally optimistic” regarding the success of this revolution. Because we have no choice and because the financial markets can be a fundamental transformation factor, by allowing investments in companies that will promote this climate transition. But for that, they need what the 58-year-old French businessman calls “a common language”, that is to say a new accounting system that will measure the climate footprint of companies.