Waste management (for waste disposal) is the activities & actions required to manage waste from its inception to its final disposal. This includes the collection, transport, treatment & disposal of waste, together with monitoring & regulation of the waste management process. Waste can be solid liquid, or gaseous & each type has dissimilar methods of disposal & management. Waste management deals with all types of waste, including industrial, biological & household. In some cases, waste can pose a threat to person health. Waste is produced by human activity for example the extraction & processing of raw materials. Waste management is intended to reduce adverse effects of waste on human health the atmosphere or aesthetics. Waste management practices are not uniform among nation (residential & developing nations) regions (city & rural areas) and residential and industrial sectors can all take dissimilar approaches. A large portion of waste management practices deal with municipal solid waste (MSW) which is the bulk of the waste that is created by household, industrial) & commercial activity.
The waste hierarchy refers to the 3 Rs reduce, reuse & recycle which classifies waste management strategies according to their desirability in terms of waste minimization. The waste hierarchy is the cornerstone of mainly waste minimization strategies. The aim of the waste hierarchy is to extract the most practical benefits from products & to generate the minimum amount of end waste; see: resource recovery. The waste hierarchy is represented as a pyramid because the basic is that policies should promote measures to prevent the generation of waste. The next step or preferred action is to seek choice uses for the waste that has been generated i.e. by re-use. The next is recycling which includes composting. Following this step is material recovery & waste-to-energy. The final achievement is disposal in land-fills or through incineration without energy recovery. This last step is the final resort for waste which has not been prevented diverted or recovered. The waste hierarchy represents the progression of a manufactured goods or material through the sequential stages of the pyramid of waste management. The hierarchy represents the latter parts of the life cycle for every product.
Life-cycle of a product
The life-cycle begins with design then proceeds through manufacture, distribution & primary use & then follows through the waste hierarchy's stages of reduce, reuse & recycle. Each stage in the life-cycle offers opportunities for policy intervention to rethink require for the product to redesign minimizing waste potential to extend its use. Product life cycle analysis is a life to optimize the use of the world's limited resources by avoiding the unnecessary generation of waste.
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