Waste..... How it's affect on Environment

Waste (wst.) is an unwanted or undesired material or substance. It is also referred to as rubbish, trash, garbage, or junk depending upon the type of material and the regional terminology.



Waste Management

Is the human control of the collection, treatment and disposal of different wst., This is in order to reduce the negative impacts on environment and society.

The wst. is directly linked to the human development, both technologically and socially.

The composition of different wst. has varied over time and location, with industrial development and innovation being directly linked to wst. materials. Examples of this include plastics and nuclear technology.

Some components of wst. have economical value and can be recycled once correctly recovered. It is difficult to define specifically what a wst. is, Items that some people discard have value to others.


Biodegradable waste

Such as food wst. or sewage, is broken down naturally by microorganisms either aerobically or anaerobically. If the disposal of biodegradable wst. is not controlled it can cause a number of wider problems including contributing to the release of greenhouse gases and can impact upon human health via encouragement of pathogens.


Also known as marine litter is human created wst. that has been deliberately dumped, or accidentally become afloat, in a lake, sea, ocean or waterway. Though it was originally assumed that most oceanic marine wst. stemmed directly from ocean dumping, it is now thought that around four fifths of the oceanic debris is from rubbish blown seaward from landfills, and washed seaward by storm drains


Littering

Can be considered the most visible form of solid wst. pollution. The act of littering for the most part constitutes disposing of wst. inappropriately, typically in public places. Littering itself may or may not be an intentional action, but is still an environmental crime
Environmental impact Many different types of wst. have negative impacts upon the wider environment.

wst. pollution is considered a serious threat by many and can broadly be defined as any pollution associated with wst. and wst. management practices

Typical materials that are found in household wst., and which have specific environmental impacts, include

• biodegradable wst.

• batteries

• aerosols

• oils

• acids

• Fluorescent tubes.

Biodegradable wst. is of specific concern because it breaks down in landfills to form methane, a potent greenhouse gas. If this gas is not prevented from entering the atmosphere, by implication, it contributes to climate change


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