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Subject
Community
110
Learning
95
Environment
93
Computing
78
Infrastructure
68
Culture
63
Sustainability
60
Industry
58
Well-Being
58
Health
43
Security
26
Heal the World
25
Water
19
Feed the World
11
Inclusion
9
The World's Water
9
Energy
8
Extinction: Who Will Survive?
8
Food
8
Livable Cities
8