So Earth Hour 2009 came and passed. Whether it really made a difference or was simply a publicity stunt, the thing is, all across the globe many people did switch off their lights on that hour. Tenaga Nasional Malaysia recorded a power dip of 550MegaWatts. If the whole country could save 0.5GigaWatts of power in just 1 hour - imagine what it could do much, much more...
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