Rich countries finally met their goal to deliver $100bn in climate finance to poorer nations in 2022, two years later than promised, the OECD said, a goal that proved to be a flash point in global negotiations.
Wealthy nations first made the pledge to help developing nations cut emissions and adapt to climate change at the Copenhagen summit in 2009.
The amount became frequently invoked as prime evidence of inaction and indifference by wealthier nations for the fate of those more vulnerable to the effects of global warming. The top 20 economies have contributed more than 80 per cent of the greenhouse gases behind climate change.
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