这就是为什么最佳解决方案是一种全球的排放限制及可交易的国别配额（最终以等量的人均排放量为基础），辅之以测量各国排放的科学机制。
That is why the best solution is a global emissions cap and tradeable national quotas ( ultimately based on equal per capita amounts ) coupled with a scientific mechanism for measuring national emissions .
国别配额