Who are The Most Promising Clean Technology Companies on The Planet?

The Guardian and Cleantech Group recently announced the Global Cleantech 100.


The Most Promising Water and Wastewater Treatment Company

http://cleantech.com/news/4970/water-and-wastewater#

Several of The Most Promising Solar Companies

Concentrix Solar
Freiburg, Germany, Product description: Concentrator photovoltaics
Enphase
California, US, Product description: Solar microinverters
G24 Innovations
Cardiff, UK., Product description: Thin film solar cells
etc.. http://cleantech.com/news/4966/energy-generation

A Few The Most Promising Biofuel Companies

Amyris Biotechnologies
California, US., Product description: Biofuels
BioGasol
Ballerup, Denmark., Product description: Biofuels
Chemrec
Stockholm, Sweden., Product description: Biofuels
etc.. http://cleantech.com/news/4967/energy-generation-other

The Most Promising Energy Efficiency Companies

Albeo Technologies
Colorado, US., Product description: LED lighting
ChromoGenics
Uppsala, Sweden., Product description: Glass
etc.. http://cleantech.com/news/4968/energy-efficiency
http://greeneconomypost.com/most-promising-clean-technology-companies-4540.htm

This post is not an endorsement of a specific company or industry..