Do we win all our battles? Definitely not. Some battles last so long that often one forgets when and where they started. But last week, I felt I did win a battle after all. Every time I visit my local hardware store in Manila, I have directly or indirectly checked on their sales volume of incandescent bulbs. It only took 6 years of waiting to finally get the answer I had been looking for: “Those bulbs are phased out, we only sell compact fluorescent lamps (CFLs) and light-emitting diodes (LEDs).”One small win, and—after a long pause to realize that it actually happened—a quiet moment of joy.My battle with incandescent light bulbs (which use about 10% of the electricity they consume to produce light and waste most of the rest on generating unnecessary heat) in the Philippines started at the 2008 Philippines Energy Summit, where experts met to discuss energy security issues in the country when the price of oil had surpassed $100 a barrel...

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