Environmental NGOs worry that raising expectations could worsen the fallout from failure, damaging efforts at the national level to build low-carbon economies. But this threatens to become a self-fulfilling prophecy.
环境方面的非政府组织（NGO）担心，预期越高，失败带来的失望也越大，破坏建设低碳经济的国家层面的努力。但这有成为自我实现的预言的可能。如果预期很低，则谈判只有失败一途。