An online clean technology database

Use of primary energy sources

Solar cookers © Climate Tech Wiki - acc and respective owners

People have been using the solar cooker or oven for centuries. The first solar oven was made by a Swiss...

Solar Cooling and Hybrid Systems with Heating and Hot Water © Climate Tech Wiki - acc and respective owners

Solar cooling technologies transform solar radiation to provide space cooling and refrigeration services. Air conditioning in buildings has traditionally been provided by air conditioners using...

Solar Heating technologies © ClimateTechWiki and respective owners

Solar thermal technology can be used to provide heating for domestic or industrial uses. A solar heating system can capture the sun's radiation and use it for both hot water heating...

Solar lanterns © ClimateTechWiki and respective owners

In developing countries the solar lantern is a cheap alternative to a Solar Home System (SHS) providing 4-5 hours of high quality lighting service. It provides higher quality light than the use of...

Solar PV Solar cells (source: http://www.flickr.com/photos/33264427@N06/3166865015/)

Solar photovoltaic, or simply photovoltaic (SPV or PV), refers to the technology of using solar cells to convert solar radiation directly into electricity. A solar cell works based on the...

Solar technologies © ClimateTechWiki and respective owners

Solar technologies facilitate the extraction of a renewable energy source by harnessing power from the sun. There are two technological principles that can be used to achieve this: (1) Collecting...

Solar thermal for hot water for domestic and industrial use © Climate Tech Wiki - acc and respective owners

Solar thermal technology can be used to provide hot water for domestic or industrial uses. Recently, ‘combi’ systems have been introduced which can provide both space and water heating. Advances...

Solar towers (updraft) image solar tower

A solar updraft power plant consists of a chimney, a collector area and wind turbines. In the collector area air is heated by solar radiation under a glass or plastic roof. This heat is thus...

Supporting Cycling California bikes used in South Africa’s Shova Kalula (Ride Easy) program

Cycling is a cheap, healthy, efficient form of transport that only produces greenhouse gases in the production and distribution of bicycles, and it is very well suited to short to...

Sustainable community design and practices © ClimateTechWiki and respective owners

As the concept and practices of a sustainable built environment have evolved over the years, it is increasingly recognised that the scope should be expanded beyond individual buildings to the...

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