描述
Miles overhead, a thin layer of ozone gas blankets the earth, shielding life on the surface from the sun's deadly ultraviolet radiation. But this protective cover is shrinking, destroyed by chemicals released into the atmosphere. As a result, more UV rays now reach the ground, and skin cancer is on the rise.
书籍详情
格式
平装书
页数
64 页
语言
英语
已发布
May 19, 1995
出版商
HarperCollins
ISBN-10
0688041582
ISBN-13
9780688041588