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Biosphere, Atmosphere, and Human Fears
8
Community
17
Computing
15
Culture
13
Energy
3
Environment
27
Extinction: Who Will Survive?
11
Food
8
Heal the World
12
Health
9
Inclusion
1
Industry
12
Infrastructure
15
Learning
20
Livable Cities
9
OER
1
Power the World
4
Project-Based Learning
2
Recover, Reuse, Recycle
9
Security
8