In a few days, two major agreements have been concluded between, regarding the first one, the three quarters of the world population and for the other one countries producing more than one third of the total oil extracted in the world. In New York, during United Nations General Assembly, it has been recorded that a sufficient number of countries has ratified the Paris Agreement, concluded at the end of COP 21, to permit to it to enter in application. In the same time, in Algiers, leaders of OPEC reached an agreement to cap their production. Fossil fuels combustion is the ...