Now, here's the good news. Sixty-eight percent of Americans now believe that human activity is responsible for global warming. Sixty-nine percent believe that the Earth is heating up in a significant way. There has been progress, but here is the key: when given a list of challenges to confront, global warming is still listed at near the bottom.
现在，好消息是，百分之六十八的美国人相信 人类活动应该为全球变暖负责。 百分之六十九的人相信，地球正在显著地 变暖。进步已经在发生了， 但要点是，当做一个清单来列举 要面临的挑战时，全球变暖仍然是在接近清单的最低端。