What are examples of innovation challenges?

Here are 15 examples of successful innovation challenges.

• Nasa's Centennial Challenge Program
• LEGO's Open Innovation Portal
• GE's FirstBuild
• Nestea's Big Green Challenge
• CEC's Youth Innovation Challenge
• Accenture's Student Innovation Challenge
• NDSU's Campus Innovation Challenge
• Joondalup Future Proofing Innovation Challenge
• London's Civic Innovation Challenge
• Lyfebulb Healthcare Innovation Challenge
• NYC's Quickfire Neuroscience Challenge
• Valeo's Imagining the Future Challenge
• Auckland's Velocity Innovation Challenge
• OFWAT's Water Innovation Challenges
• Zurich's Insurance Innovation Challenge