Composting is a process through which nature recycles decomposed organic matter by turning it into compost. All materials that were once alive can be composted. An effective composting requires a proper composition of both brown and green materials; the brown materials are mainly carbon-rich while green materials are nitrogen-rich. Dried leaves, wood chips, and straws are brown materials while kitchen waste and grass are green materials (Thompson, 2011). Farmers get a wide range of benefits from composting as the soil gains fertility. Furthermore, composing in sandy soils helps it improve its water and nutrients retention capacity. This improves the quality of soil and helps farmers get to reap more from their agricultural activities. Other than this, compost helps to loosen clay and silt soil and allow deep penetration of roots and percolation of water and air. As a result of changing the soil structure, erosion is decreased and chances of disease spread are minimized.
Compostable materials in a landfill decomposes slowly compared to materials in a compost environments because landfill materials mainly undergo anaerobic decomposition where oxygen is not used while those in the composed environment are exposed to an aerobic condition (Thompson, 2011). The oxygen in compost environments penetrates during the turning process hence being able to decompose quickly. On few occasions, I recycle some of the items that I have used. Some of these products cannot be disposed. The community can reduce the use of non-decomposable materials and reuse others such as plastic bags. In most cases, recycling is encourages and the community recycles used materials such as batteries and paper.
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San Francisco’s Total Waste Generation from 1995–2003 shows a good progress in reducing wastes. The city has over time increased the amount of materials it recycles and the amount in the landfills has also decreased. Through this, the city has been able to reduce pollution and save on cost. From the graph, it is clear that the more recycling we do, the fewer materials end up in the landfills.
Reference
Thompson, K. (2011). Compost : The Natural Way to Make Food for Your Garden . London: Dorling Kindersley Limited
