WASTE MANAGEMENT PROBLEMS AND MEASURES TO ADDRESS IT
â€œWasteâ€ means any substances or objects which the holder disposes of
intends to dispose of or that are required to be disposed of. The quantity of domestic waste, including hazardous waste, is increasing drastically all over the globe.
As a result of accelerated economic development, Malaysians are producing an increasing amount of solid waste about 30 million tones of refuse a year. If this mountain of waste is disposed off properly, then we have little to worry about. Unfortunately, that is not the case. Litter is strewn all over the country in car parks, empty lots, back lanes, drains, rivers and practically everywhere. The ...view middle of the document...
Waste cannot be simply thrown away anymore, now it must be managed. Managing our trash is the "in thing", yet it is hardly convenient. Lets face the facts, sealed toxins "won't affect us for a good twenty years". Although this may be true, there are still many advantages to waste management.
How can all this waste be disposed of? Landfilling is the most common method of solid waste disposal. Waste is dumped into landfill sites and left to decompose. However, this method of waste disposal has its attendant risks to the environment and also to our health. Not all types of waste are biodegradable. Metal, plastic and glass products are difficult to break down. As landfill waste decomposes, methane is released. Methane is a greenhouse gas and contributes significantly to global warming.
Incineration is the other popular method of waste disposal. Burning waste
requires a large amount of energy. Incinerators are also expensive. Burning of waste also releases a large amount of carbon dioxide and other harmful gases into atmosphere. Anaerobic digestion is another method of waste disposal although it is less popular. In this process, waste decomposes in an enclosed chamber. The bacteria that thrives in...