“Most businesses are reluctant to cover the expense of the initial shift to LED. Although within 2-3 years the financial savings could be felt, the initial cost could be 5 times higher than for conventional bulbs,” said Sinta Marino, green marketing and product manager at PT Phillips Indonesia.  “We started selling LED bulbs about 10 years ago. But their popularity has only grown in recent years,” he said. “Surprisingly, buildings actually contribute the most to the greenhouse effect, rather than air pollution from transportation...