76 world leaders have given their virtual pledges to celebrate the 5th anniversary of the Paris climate accord.
Events - hosted by France, UK, Italy, Chile and the United Nations - saw leaders from more than 70 countries pledge to step up their efforts to curb greenhouse gas emissions that fuel global warming.
A number of major emitters - including Australia, Saudi Arabia, Russia and Mexico - were not invited to attend, or speak, at the summit because their climate actions were deemed not ambitious enough.
UN Secretary General Antonio Guterres praised China's commitment to the goal.




