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Composting is [-|a|an|the] all-natural process which people [have learned|learned|have been learning|had learned] to use and benefit from centuries ago. It is a method of speeding up the decay of organics with the help of special organisms and conditions. When you put this and that organic materials like fruit pile, twigs and leaves, together in the right way, they break down and make a perfect natural fertilizer rich in nutrients. It is necessary for soil to be restored and provide growth to your plants. Besides, it is a great way to recycle your food waste and contribute [from|to|of|for] the reduction of greenhouse gasses.
Although compost itself is decaying organics, it is not necessarily smelly if you organise it right. In fact, if the composting pile [will start|had start|starts|started] stinking, it's a bad sign. To begin composting, you don't need to have a huge yard or garden, either. Anyone can organise a compost box or bin in [any|some|nowhere|all] location. There are many instructions, pieces of advice, tools and devices available in stores and on the Internet.