Proper disposal of solid waste has always been a point of contention between those who choose to pollute the planet and those who choose to protect it. It is important to ensure that proper organic waste recycling techniques are applied to achieve long-term benefits for human health and ecosystems.

Over the years there have been many hazards and health problems caused by improper waste disposal techniques. Solid waste in particular is a serious threat to the environment and public health. Solid waste consists of:

·A lot of waste is categorized as degradable food waste.

·Garbage which includes combustible or non-combustible, non-biodegradable waste such as metal, glass, ceramics, paper, wood and cloth.

·Dead animals.

·Industrial waste such as paint, sand and chemicals.

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·Ash is a residue that arises when burning solid fuels.

·Large-scale waste generated from demolition of structures and demolition of trees.

·Solid waste water treatment consisting of material retained in sludge, biomass sludge and sewage treatment plants.

·Agricultural waste is crop residue and livestock manure

·Extractive waste, namely piles of coal waste and slag piles.

A number of diseases can be caused if certain chemicals are not disposed of properly. For example, mercury, cyanide, and polychlorinated biphenyls can be highly toxic to the human system and kill those they are exposed to.In fact, research shows that exposure to certain types of hazardous waste has even caused cancer in society.