With clutch climate talks approaching in December, world leaders are scrambling to come up with pledges toward the target of USD 100 billion a year by 2020 to fight global warming - a make-or-break promise in the arduous negotiations to reach a comprehensive deal on cutting carbon emissions.
But the development bank's president, Akinwumi Adesina, said the world needs to rethink how it spends that money.
"Africa today contributes just two per cent of all greenhouse gas emissions, but Africa is the one that suffers most from the impact of climate change," Adesina told AFP on the sidelines of the International Monetary Fund and World Bank annual meetings in Lima, Peru.
"We need to look at how we're dividing up (climate funding) to make sure the financing levels are high enough," said Adesina, a former agriculture minister who was named Forbes magazine's "African of the Year" in 2013.
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Africa, he said, is not getting its fair share of climate funds - which last year stood around USD 62 billion from governments, multilateral institutions and the private sector, according to a recent study.
The problem, he said, is the way climate funding is allocated.
The money, both loans and grants, goes to fund two kinds of projects: mitigation and adaptation.
"What Africa needs is funds for adapting. We have hundred of millions of people who have no way of adapting to climate change," said Adesina.
"But unfortunately, on climate finance, today in the world... 76 per cent of financing is dedicated to mitigation.
"This is an imbalance that needs to be addressed."
The world's poorest continent is also its lowest polluter, because it has relatively few of the industries, power plants and vehicles that contribute most to carbon emissions.
His own institution plans to triple investment in climate-related projects to more than USD 5 billion a year by 2020, which will represent 40 per cent of its total portfolio.