UN chief calls for commitment to net zero by 2050

United Nations Secretary-General urged world leers to ''stop assaulting planet'' and declare a state of climate emergency until each country has reached carbon neutrality. 2020 UN Climate Ambition Summit is co-hosted by United Nations, France, Britain, Italy and Chile.

During event, world leers are expected to pledge to increase ir efforts to curb greenhouse gas emissions that fuel global warming. Paris accord set a goal for keeping global temperatures from rising above levels that could have devastating consequences for mankind.

(Im Credit: AP)