The multilateral group, whose members include the International Finance Corporation (IFC), set the target under its new Climate Change Action Plan, launched in response to the Paris Agreement that followed COP21.
The new strategy could the World Bank Group’s climate financing rise to $29bn a year by the end of the decade, about one-third higher than now.
Along with pledges on energy efficiency and climate resilience, the group says it will help "de-risk" investments to support 20GW of new capacity over the next five years.
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