G20 nations must lead efforts for peace, climate action: UN chief

UN Secretary-General Antonio Guterres urged G20 countries to lead global efforts to promote peace, advance climate action and ensure equitable access to emerging technologies among other challenges. "G20 countries have tremendous economic clout...They wield massive diplomatic leverage. They must use it to tackle key global problems," Guterres said. The summit will be held on November 18 and 19.