Meet the companies tackling nine of humanity’s biggest problems — and making millions saving us from ourselves.
- Problem #1: Global Warming
- Problem #2: Oil Dependency
- Problem #3: Hunger and Malnutrition
- Problem #4: Dirty Air
- Problem #5: Dirty Water
- Problem #6: Overfishing
- Problem #7: Epidemics
- Problem #8: Drug-Resistant Infections
- Problem #9: Waste Disposal
Read about these companies and what they’re working on at CNN Money