In a country where the recycling system is not as robust, most of the waste generated from households just ends up in landfills and water sources polluting land and water. Even though food waste is biodegradable it takes time for it to break down completely and at the rate that we generate waste the natural breakdown process cannot keep up.
It is a popular notion that switching over to a greener lifestyle may be costly but it can be light on your wallet and the environment if you plan things correctly. The only consistent increase we can see is the amount of trash that grows day by day while the flora and fauna of earth is being depleted rapidly.