精选优质文档-倾情为你奉上Unit 8 Focus on Global WarmingJohn Weier Twenty-five years ago if you made a trip to the local library and perused the periodical section for articles on global warming, youd probably have come up with only a few abstracts from hardcore science journals or maybe a blurb in some esoteric geopolitical magazine. As an Internet search on global warming now attests, the subject has become as rooted in our public consciousness as Madonna2 or microwave cooking.1 Perhaps
