The E2 100 - Solving the 100 Critical Challenges in Energy & Environment

All Challenges

What are the low hanging ideas and concepts to make cities more sustainable?

With cities worldwide facing challenges on environment and energy, they are desperately seeking solutions that can make them more sustainable, and within a short period of time. We hence need to be smart in identifying easy, low hanging ideas that have the potential to transition cities to sustainability - and quickly at that. What could such concepts and solutions be?

How to use the content

While you are invited to use the content, links and videos we have provided in the way you feel best, some sections that will be more relevant to certain types of visitors. The following table provides recommendations on sections that will benefit you most depending on who you are.

School Student	College/University Student	Researcher/ Innovator
Use the Sub-topics section to learn more Use the Videos section to find out how things work	Use the Sub-topics section to know about projects you can do Use the Videos section to find out how things work	Use the Innovations Update section to know about effective innovations to solve this challenge
Industry or Govt. End Users	Small Business / Entrepreneur	Corporate or Financial Investor
Use the Case Studies section to know how others have implemented solutions to tackle this challenge	Use the Sub-topics section to learn more about possible business opportunity domains	Use the Innovations Update section to identify innovations and innovators you could strike partnerships with