aa.gzu.edu.cnaa.gzu.edu.cn/_upload/article/files/d4/00/011114de... · billion by 2050, and...

8

Upload: others

Post on 06-Jun-2020

1 views

Category:

Documents


0 download

TRANSCRIPT

Page 1: aa.gzu.edu.cnaa.gzu.edu.cn/_upload/article/files/d4/00/011114de... · billion by 2050, and accelerating degradation of the planet and its resources. At the same time, exponential
Page 2: aa.gzu.edu.cnaa.gzu.edu.cn/_upload/article/files/d4/00/011114de... · billion by 2050, and accelerating degradation of the planet and its resources. At the same time, exponential
Page 3: aa.gzu.edu.cnaa.gzu.edu.cn/_upload/article/files/d4/00/011114de... · billion by 2050, and accelerating degradation of the planet and its resources. At the same time, exponential
Page 4: aa.gzu.edu.cnaa.gzu.edu.cn/_upload/article/files/d4/00/011114de... · billion by 2050, and accelerating degradation of the planet and its resources. At the same time, exponential
Page 5: aa.gzu.edu.cnaa.gzu.edu.cn/_upload/article/files/d4/00/011114de... · billion by 2050, and accelerating degradation of the planet and its resources. At the same time, exponential
Page 6: aa.gzu.edu.cnaa.gzu.edu.cn/_upload/article/files/d4/00/011114de... · billion by 2050, and accelerating degradation of the planet and its resources. At the same time, exponential
Page 7: aa.gzu.edu.cnaa.gzu.edu.cn/_upload/article/files/d4/00/011114de... · billion by 2050, and accelerating degradation of the planet and its resources. At the same time, exponential
Page 8: aa.gzu.edu.cnaa.gzu.edu.cn/_upload/article/files/d4/00/011114de... · billion by 2050, and accelerating degradation of the planet and its resources. At the same time, exponential