The top 100 clean technology companies in Europe

Interactive: The hottest 100 clean technology companies in Europe | Environment | The Guardian

The German company Odersun which makes cheap thin-film solar cells that do not use silicon was voted top of the inaugural Guardian/Library House CleanTech 100. Odersun provided solar cells for the roofs of the buildings in Beijing’s Olympic Park. Other companies voted on to the Top 100 list are located here.