UNITED NATIONS - Global problems will not be solved by one power "calling the shots," United Nations Secretary-General Antonio Guterres said on Thursday, warning that international law was being trampled and cooperation eroded. "Global problems will not be solved by one power calling the shots. "International law is trampled. "Despite all the hurdles, the United Nations is acting to give life to our shared values," Guterres said. We are pushing for peace – just and sustainable peace rooted in international law.