With a fantastic answer:)
Because it's a Win-Win-Win. For you, your plants and your environment.
Composting is like witnessing the circle of life. It shows you how everything is interconnected and how one system feeds into another.
You eat veggies and fruits and discard the peels. Those peels get mixed with soil and dried leaves. Microbes feast on this mix and decompose it. The decomposed mix is an elixir for trees and soil and nurtures the food, which you eat. Repeat.
Those of you who are convinced, stop reading here and start setting up the composting process. Those who need more convincing, read on!
By reducing the organic and yard waste going out of your household, you're not only easing the burden on overflowing landfills, but you're also helping conserve fuel that is required to ferry this waste till landfills.