G20 leaders meet after two years, with climate, Covid and economy in focus

Leaders were also expected to back plans to vaccinate 70 percent of the world's population against Covid-19 by mid-2022 and create a task force to fight future pandemics.

The heads of the world's 20 biggest economies kicked off two days of talks on Saturday where they were set to acknowledge the existential threat of climate change, but stop short of radical new commitments to tame global warming.