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Why do we produce so much CO 2?<br />
• The largest source of CO2<br />
emission is globally the<br />
combustion of fossil fuels (e.g.,<br />
coal, oil, and gas in power plants<br />
and industrial facilities).<br />
• The main reason of CO2<br />
emission is the need for energy.<br />
• Lighting uses ~19% of global<br />
electricity generation.<br />
• In homes and offices, up to 50%<br />
of total energy consumption is<br />
due to lighting.<br />
References: EPA (U.S. Environmental Protection Agency) U.S.<br />
Greenhouse Gas Inventory Reports 1990 – 2005, Carbon Dioxide<br />
Emissions, Executive Summary, pp. 6-7, 2007<br />
<strong>Hilmi</strong> <strong>Volkan</strong> <strong>Demir</strong>
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