Programs and Indexes

Where can you find the leading publicly-listed cleantech companies? Rising private companies? The countries producing the next generation of innovators? We can answer those questions and provide benchmarks and surveys to help you identify and compare best practices.

Cleantech 100 indexGlobal Cleantech 100

The Global Cleantech 100 is an annual guide to the leading companies and themes in sustainable innovation. The list is the result of combining our research data with over 10,000 nominations and input from an expert panel.  The companies on this list are promising stars in sustainable innovation—the companies that are best positioned to solve tomorrow’s clean technology challenges.

Learn More


CleantechIndexThe Cleantech Index (CTIUS)

The Cleantech Index® is the first, and only, stock market index intended to reflect the surging demand for clean technology products and services. By tracking the market performance of leading publicly traded cleantech companies around the world, CTIUS has become the industry standard index underlying a growing range of financial products, such as exchange traded funds. 

Learn More


Global Cleantech Innovation Index

The Global Cleantech Innovation Index explores the countries that have the greatest potential to produce the start-ups that will commercialize clean technology innovations over the next tec years. The most recent Index and accompanying report were released in 2017, published in partnership with World Wildlife Fund for Nature (WWF).

Learn More