书籍详情
格式
精装书
页数
118
语言
英语
已发布
Apr 9, 1991
出版商
Knopf Books for Young Readers
ISBN-10
0679917314
ISBN-13
9780679917311
描述
An overview of the environmental problems of land, atmosphere, water, energy, plants, animals, and people. Includes projects and a section on becoming an environmental activist.