Garbage In, Garbage Out Class 6 notes - Chapter 16

What is Garbage?

All the waste materials and other household waste produced on a daily basis are termed as garbage. The different wastes of garbage contain peels of vegetable and fruits, leftovers cooked food products, waste paper, and plastic materials, and many other waste items.

Waste

Waste is any substance, which is discarded after primary use, or it is worthless, defective and of no use.

Types of Wastes

Where Does Garbage Go

Waste Generation

  • Waste generation is the amount of waste produced by a house, a community or even the country.
  • Fact: Bangalore produces approximately 2480 tonnes of garbage a day, according to a 2001 study.
  • Developed nations tend to produce more garbage than developing nations as they have a higher rate of consumption.

Waste Segregation

The process of segregating or dividing the wastes into dry and wet is defined as Waste Segregation. Here the dry waste includes wood and related products, metals and glass. The wet waste, typically refers to organic waste usually generated by eating establishments and are heavy in weight due to dampness.

Landfill

A landfill is a low lying area for the disposal of waste materials by burial.

Landfill of a city

Recycling

  • Recycling is reusing of waste materials that are discarded.
  • Recycling reduces wastage of products and pollution.

Paper

  • Paper is derived from trees.
  • Paper can be recycled and can be used as an alternative to plastics.
  • Recycling and reusing the paper saves the environment.

Biodegradable Waste

Biodegradable waste includes any organic matter in waste that can be broken down into

  • Water.
  • Methane.
  • Carbon dioxide.
  • Simple organic molecules.

By micro-organisms like fungi and other living things using

  • Composting.
  • Aerobic digestion.
  • Anaerobic digestion or similar processes.

Non-Biodegradable Waste

  • It is a type of waste that can not be broken down into its base compounds by micro-organisms, air, moisture or soil in a reasonable amount of time.
  • Non-biodegradable waste is an environmental concern, as it threatens to overwhelm landfills and create disposal problems.

Plastics

  • Plastic is a material consisting of a wide range of synthetic or semi-synthetic compounds that are malleable and can be moulded into solid objects.
  • Plastic can be recycled, reused, coloured, melted, rolled into sheets or made into wires.
  • That is why it finds such a variety of uses.
  • Plastic is non-biodegradable and poses major health hazards for animals including humans.

ILL Effects of Plastics

                               

Composting and Vermicomposting

Compost

  • Compost is an organic matter that has been decomposed and recycled as a fertilizer and soil nutrient.

Vermicomposting

  • Vermicompost (or vermicompost) is the product of the composting process using various species of worms.
  • Red wigglers, White worms and other earthworms are used to create a mixture of decomposing vegetables or food waste, garden waste, farm waste etc
  • The product, vermicompost, is excellent manure for gardens, nurseries, farms etc.

Vermicomposting

                                                 

Learn more about the Garbage and wastes from the topics given below:

Leave a Comment

Your email address will not be published. Required fields are marked *