2009 Global Cleantech 100

The Guardian and Cleantech Group, providers of leading research, events and advisory services for the cleantech ecosystem, are proud to present the Global Cleantech 100 – the first ever list of this scale highlighting the most promising private clean technology companies around the world.

The Global Cleantech 100 recognizes companies at the forefront of cleantech innovation offering solutions to some of the planet's most pressing environmental challenges.

The final list represents the collective opinion of hundreds of leading experts from cleantech innovation and venture capital companies in EMEA, North America, India and China, combined with the specific input of an expert panel of 35 individuals from respected organizations, detailed below.

Their inputs were then combined with insights from the Cleantech Network™, the de facto industry association of international clean technology investors, entrepreneurs, large corporations and other industry insiders. Some 3,500 companies were nominated/considered. Read all about the program and this year's winners at the links below.

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