Written by Prognog Staff

The term "clean tech" generally refers to those technologies that:

- Attempt to produce energy or use raw materiels more efficiently
- while still delivering equal or greater performance,
- and ideally creating less waste or toxicity

Cleantech companies and technolgoy include those related to water purification, air quality nanotechnology, alternative fuels, manufacturing, recycling and renewable energy such as solar, wind and hydrogen.

Increasingly, venture capitalists, as well as traditional financial firms, are looking towards new and emerging technologies for unique investment opportunities. Cleantech provides such an avenue.