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T<\/span>axes on international transport could provide new flows of finance to developing countries to help them reduce greenhouse gas emissions and cope with the impacts of climate breakdown, a group of climate finance experts have said.<\/p>\n Rich countries are failing on their pledge to provide $100bn a year to help poor countries cope with the climate crisis, and the way in which climate finance is organised needs urgent reform, the six academics\u00a0argue in an article in the journal Nature Climate Change.<\/p>\n They warn that the methods of accounting for\u00a0climate finance\u00a0are deeply flawed, and that failing to reform the system would undermine the trust of developing countries in the Paris agreement.<\/p>\n Romain Weikmans, a co-author of the Nature comment and fellow of the Free University of Brussels, said: \u201cThere is not a clear accounting system. The definitions of\u00a0what constitutes climate finance\u00a0are vague, and there are many flaws and discrepancies. It is impossible for now to say whether the $100bn pledge has been met or not. The parameters are so vague that it is impossible to give a definitive answer.\u201d<\/p>\n The group of six experts \u2013 from the US, Europe and Bangladesh \u2013 call for clear rules on what counts as climate finance. They also suggest that the needs of developing countries should be assessed and plans drawn up for how to meet them, through a global mechanism that would provide longer-term certainty than the current system of ad hoc allocations made each year by rich countries.<\/p>\n They say charging levies on international flights and on bunker fuels \u2013 high-carbon fuels used by ships \u2013 could provide a steady stream of climate finance to the countries that need it.<\/p>\n