Other critics on the left have complained that he has not been able to get Congress to pass a tough energy bill before the Copenhagen conference on climate change. But Obama has helped to persuade China and India to announce useful efforts, and he will set an American target of reducing greenhouse emissions that should prevent the conference from being a failure.
一些左派人士也有微词，他们抱怨奥巴马没有在哥本哈根气候会议之前，说服国会通过颇具争议的能源方案。不过，奥巴马成功说服了中国和印度作出明确的减排承诺，同时也设定了美国减排的目标，以防止哥本哈根协议的流产。