Why are CFL light bulbs better for the environment?
In a CFL, an electric current is driven through a tube containing argon gas and a small amount of mercury vapor. … CFLs use about 75 percent less energy than incandescent bulbs. Saving energy helps the environment. Using less energy means less greenhouse gases will get into the air.
Why LED bulbs are considered as eco friendly bulbs?
Fewer lights will reduce energy consumption and will, therefore, be beneficial to the environment. LED lights do not contain mercury, and therefore it has a very low environmental impact than incandescent bulbs. … Since LED lights have no mercury at all, it is safe for the environment and can be easily recycled.
What is the disadvantage of LED light?
Perhaps the biggest drawback of LED light bulbs is that they emit more blue light than incandescent bulbs, which are more on the red end of the spectrum. Blue light can cause a disruption in your circadian rhythm, negatively affect your ability to fall asleep and the quality of your sleep.