ऐसा अनुमान है कि विकासशील देशों के लिये अनुकूलन लागत, वर्ष 2030 तक बढ़कर 300 अरब डॉलर प्रतिवर्ष तक हो जाएगी.
It is estimated that the adaptation costs to developing countries could rise to as much as $300 billion a year by 2030.