THE HUMAN FUTURE: A Case for Optimism

7.1

(11329)

6.7

(10220)

7

(1410)

6.4

(987)

6.5

(126)

7

(12094)

6.3

(835)

6.3

(1270)

6.8

(329)

5.9

(593)

8.1

(2897)

7

(3)

7.8

(19698)

6.2

(1511)

5.8

(175)

7.3

(852)

6.3

(2355)

5.4

(1241)

5.9

(1697)

5.3

(135)