Cleantech
Cleantech is a term that has originated in the USA , especially in California . The Cleantech Venture Network (CVN) defines cleantech as the use of new, innovative technology to create products and services that compete favourably on price and performance while reducing environmental impacts compared to traditional technologies.

Low carbon technologies
Low carbon technologies embrace those contributing to energy efficiency in their use or to the reduction of carbon emissions in power generation (including renewables). They include (source: Carbon Trust)

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Sustainable building technologies
Meeting peoples’ needs for housing and other infrastructure in a sustainable way is a priority at national and global levels. The sector is a heavy materials user and waste generator in the construction phase. Homes and other buildings are major energy users and contributors to greenhouse emissions.

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