Averting dangerous climate change and the resultant crop-shrinking heat waves, more-destructive storms, accelerated sea level rise, and waves of climate refugees means cutting carbon emissions 80 percent by 2020.
The first key component of the Earth Policy Institute’s climate stabilization plan is to systematically raise the efficiency of the world energy economy. One of the quickest ways to increase efficiency, cut carbon emissions, and save money is simply to change light bulbs.
Some 19 percent of world electricity demand goes to lighting. The carbon emissions generated by this sector equal roughly 70 percent of those produced by the global automobile fleet.
Of the 3,400 terawatt-hours of electricity consumed annually by the world’s light fixtures, more than 40 percent is used by commercial buildings, including offices, retail businesses, schools, and hospitals. Close to one third is used in the home; 18 percent in industrial buildings; and the remaining 8 percent in outdoor applications, such as lights at traffic stops and in parking lots. More >>>
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