Poor countries must believe that rich countries will honor their pledges. Otherwise, the prospects for an effective international agreement at the United Nations Climate Change Conference in Paris in November and December could be at risk.
达到1,000亿美元的目标很重要。穷国必须相信发达国家会兑现承诺。否则，在11月和12月的巴黎联合国气候变化大会达成有效国际协定的前景就会岌岌可危。