Few rich nations have lived up to vows to give a sliver of their GDPs to development aid, giving little hope for any similar approach to climate change, she said in an interview.

• 少数富裕国家没有辜负发誓要条子给他们的国内生产总值发展援助，并希望不大的任何类似的方法对气候变化，她在接受采访时说。