World leaders have pledged to invest billions of dollars to keep climate change under control.
Many have gathered in New York for the Climate Ambition Summit, taking place during the United Nations General Assembly.
Many have gathered in New York for the Climate Ambition Summit, taking place during the United Nations General Assembly.
But some leaders have been criticised for failing to show up.
Sally Patterson reports from the UN headquarters.
IN Countries were instructed
OUT SOC
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