But the 30-nation group of rich democracies said urgent action was needed to avert irreversible damage.
Environmental safeguards would mean that by 2030 the global economy would be 97% bigger than in 2005, instead of almost 99% larger with no measures, the report said.
"This is not a lot to pay," Angel Gurria, head of the OECD, was quoted as saying. "The consequences and costs of inaction…would be much
higher."
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