The Guardian and Cleantech Group recently announced the Global Cleantech 100.
The Most Promising Water and Wastewater Treatment Company
Several of The Most Promising Solar Companies
Freiburg, Germany, Product description: Concentrator photovoltaics
California, US, Product description: Solar microinverters
Cardiff, UK., Product description: Thin film solar cells
A Few The Most Promising Biofuel Companies
California, US., Product description: Biofuels
Ballerup, Denmark., Product description: Biofuels
Stockholm, Sweden., Product description: Biofuels
The Most Promising Energy Efficiency Companies
Colorado, US., Product description: LED lighting
Uppsala, Sweden., Product description: Glass
This post is not an endorsement of a specific company or industry..