Kilimanjaro lies within the 292-square-mile (756 square kilometers) Kilimanjaro National Park. Kilimanjaro rises from its base approximately 16,732 feet (5,100 meters) from the plains near the Tanzanian municipality of Moshi, making it the tallest free-standing mountain in the world.
The LED lamp market is projected to grow by more than twelve-fold over the next decade, from $2 billion in the beginning of 2014 to $25 billion in 2023, a compound annual growth rate (CAGR) of 25%. As of 2016, LEDs use only about 10% of the energy an incandescent lamp requires.
The Dark Side of LED Lightbulbs. Indeed, LED (light emitting diode) lighting does seem to be the wave of the future right now, given the mercury content and light quality issues with the current king-of-the-hill of green bulbs, the compact fluorescent (CFL). LEDs use significantly less energy than even CFLs, and do not contain mercury.