The reason, from an environmental perspective, is because those subsidies actually have a measurable link in terms of greenhouse gas emissions. The direct spending in the fossil fuels sector, compared, for example, particularly to the 1980s, has gone down dramatically, and at the same time, since 2006, there's been an increase in spending and public support or public subsidies to support cleaner technology.
Par exemple, les dépenses directes dans le secteur des combustibles fossiles ont grandement diminué comparativement aux niveaux des années 1980; parallèlement, depuis 2006, on constate une augmentation des dépenses et de l'appui public ou des subventions publiques pour encourager des technologies moins polluantes.