VIDEO. Greta Thunberg: "The right, the left and the center have all failed ..."

Climate activist Greta Thunberg deplored Tuesday that "nothing has been done" for the climate despite all the talk in favor of the environment, this Tuesday in Davos, Switzerland. Within the framework of the World Economic Forum, and at a time when companies compete with promises and governments with alarmist speeches, the young Swedish woman has pointed out the responsibility of economic and political leaders. A few hours later, Donald Trump, also present in Davos, delivered a speech in which he castigated the climate "doomsayers".