Monday, May 05, 2008

Emissions from solar power technologies continue to fall

Emissions from solar power technologies continue to fall

Photovoltaic (PV) technologies which harness solar energy in solar power installations are making rapid progress. The latest life cycle analysis of four current PV systems shows a trend for all of these to have significant and increasing environmental benefits in terms of reducing emissions compared with conventional electricity production.

All forms of electricity generation create emissions at some point during their life cycle. PV systems generate sulfur dioxide, carbon dioxide, and nitrogen oxide emissions, resulting from the fossil energy used in production. The production of PV systems is also responsible for toxic metal emissions, including arsenic, cadmium, chromium, lead, mercury and nickel, as all these elements are present in fossil-fuels.

Full article at environmental-expert.com

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