1659 results found
 

The incident sunlight is absorbed at 98%

Image | 30 April, 2007 at 2:00

The incident sunlight is absorbed at 98% and is transmitted as heat to the carrier liquid.

Functionality of a solar thermal collector

Image | 30 April, 2007 at 16:02

Functionality of a solar thermal collector

Assembly of a 32 squaremeter collector

Image | 30 April, 2007 at 2:00

Assembly of a 32 squaremeter collector-installation in Bergün Switzerland 2006.

The house as a system of energy

Image | 27 April, 2007 at 18:08

The house as a system of energy; including opportunities to produce local electricity and thermal power.

With the system “solrif“ the PV

Image | 26 April, 2007 at 19:45

With the system “solrif“ the PV-modules are roofing and energy-carrier in one. The modules get assembled directly to the roof-beams.

Photovoltaic supplies eco

Image | 26 April, 2007 at 19:15

Photovoltaic supplies eco-friendly current without producing carbon dioxide (CO2).

Summer 2005: working on a 40 kWp

Image | 25 April, 2007 at 2:00

Summer 2005: working on a 40 kWp-installation in Vazerol, Switzerland

Young workers "bake" computer motherboards

Image | 8 March, 2005 at 2:00

Young workers "bake" computer motherboards from e-waste in a workshop to remove valuable metals. The baking produces highly dangerous fumes and toxic waste which is then dumped.

Workers unpack a truck

Image | 8 March, 2005 at 2:00

Workers unpack a truck-load of e-waste which has just arrived for processing in Guiyu in Guangzhou province.

Old Motorola product at a Chinese e

Image | 11 April, 2005 at 3:00

Old Motorola product at a Chinese e-waste scrap yard. While some of its competitors are cleaning up their products Motorola is breaking its clean up promise. This means Motorola's products will continue to pollute.

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