Waste Management

Science

Waste materials

Materials that no longer needed and do not want to keep

Types of waste materials

Plastic, metal, glass & paper

Biodegradable wastes

Waste materials that can be decayed by microorganisms

Example of biodegradable waste

Food wastes

Non-biodegradable waste

Materials that cannot be decayed by microorganisms

Examples of non-biodegradable waste

Glass, plastic & metal

Planned management of waste materials

Through local municipal authorities, waste materials are separated by type

Waste management practices

Put liquid wastes in special containers, put waste materials according to the types of bin provided

5R's projects

Reduce, Reuse, Recycle, Repair and Refuse

Bad impacts of non-biodegradable waste

Pollution, health problems, flood, waste of energy