Imagine if we could use the power of Internet for solving the 100 key clean energy & environment challenges. This is the goal of E2 100. Here's a comprehensive list of 100 challenges. We invite you to learn about innovations for 100 challenges


Renewable Energy

Energy Efficiency

Energy Storage


Waste Management

Pollution Control

Sustainable Transportation

Greenhouse Gas Mitigation

Biodiversity

Marine Ecosystems


Sustainable Industrial Practices

Water

Materials

Agriculture & Forestry


Education

People & Community

Finance & Invesments

Frameworks & Policies

Cities