Such was the breezy optimism of many of the advocates that an alien landing in Manchester Town Hall might have wondered what all the fuss over global warming was about.

许多倡议者们自我感觉过于良好，以至于一个新到曼彻斯特市政厅的人会想知道对于全球变暖问题有什么值得如此大惊小怪的。