UN chief: Rich nations must achieve net zero carbon quicker, by 2040 March 20, 2023 at 03:15AM

UN Secretary General Antonio Guterres called on wealthy countries Monday to move up their goals of achieving carbon neutrality as close as possible to 2040, mostly from 2050 now, in order to "defuse the climate time bomb."Introducing a capstone report by the Intergovernmental Panel on Climate Change on the impacts and trajectory of global warming, Guterres delivered a blunt assessment of the challenge to prevent climate catastrophe.