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Hey ,Im from gowar too .... Saw ur post ... Really hard to find ppl from our hall ... No ones posting !!!
However, incinerators are extremely sotly and can cost millions of pounds to the government. The pay off in terms of energy created before the incinerator breaks may not be worth it. Furthermore, some incinerators are said to contribute to the increase in pollution, releasing carbon emmissions. Waste could be contained and burnt to create energy, however this releases methane gas which is harmful to the environment. If this gas is collected it could be broken down further to create more energy.
Overall, I believe the most significant way in which the sustainability of waste management can be achieved is by encouraging recycling. This will allow products to continue being reused and reduce the amount of landfill. I believe the least significant methos would be to discourage landfill by charging for the weight of waste per household. Not only would this be unfair but it could result in wider implications on the environment and economy. I believe that although there are methods which can contribute to the increased sustainability of waste management, there are negative effects of each of them and waste management can therefore never be 100% sustainable.
Recycling is and extremely important way in which waste could be managed sustainably. This will allow new products to be made and resold rather than dumping the recyclable materials in landfill. A major problem with recycling is when people put normal rubbish in with it, the whole bag has to be put into the rubbish.
A way to solve this problem has been demonstrated in Japan where translucent bags are used so rubbish collectors are able to see if any rubbish is put in with the recycling. If it is, large fines are imposed on residents.
If measures like this were more widely used, people are likely to take recycling more seriously and waste management is likely to be more sustainable in the long term. This facctor would be extremely significant if encouraged.
However, mistakes could be costly and if regular rubbish was accidentally put in the recycling, homeowners will have to suffer the consequences of the fines.
Converting waste into energy is a way to increase the sustainability in waste management. Incinerators are extremely efficient ways of converting waste to energy on a very large scale. Incinerators in China have been extremely succesful. Especially considering China is the fastest growing country in the world, the increased incomes mean increased demand for goods and therefore increased waste.These incinerators are also a way to reduce pollution, which is also rapidly growing in China. Incinerators have been one of the factors contributing towards China reaching all their pollution reduction targets. Therefore, not only is this technology sustainable in terms of waste management but also in terms of pollution, which is a major current issue. These are therefore multipurpose.
The UK has some incinerators, however, the most well known and largest incinerator serving the Byker flats was closed down, reducing the amount of waste converted into energy.
An effective and sustainable example of the reuse of materials is in Nairobi, Kenya where glass bottles can be taken back to shops and refilled for free. This is an extremely large incentive for those in Nairobi not to throw away their glass bottles.
Other examples of reusing materials in Nairobi are car tyres being made into sandals and washing machine drums being used for storage, and the doors as cooking bowls. Though this s common in Nairobi, these ideas are unlikely to transfer to the UK. This is because people mainly do this in Nairobi due to their low standards or living and little incomes. However, in MEDCs such as the UK, we have much higher disposable incomes and are able to replace our items by going out to buy new ones rather than making them.
This is also unsustainable as there is no main incentive for this except for saving a small amount of money. In MEDCs, the opportunity cost of leisure time may be more valuable. People may also be uncertain about this as they require the latest fashions.
Landfill could be reduced and recycling could be encouraged by charging for waste disposal depending on the weight of it. This would mean people would be more aware of what they throw away and if it could be recycled instead.
However, this may be seen to be unfair on large families and households as they will have to account for this new expenditure. It is also likely to encourage household incineration and fly tipping. This is where rubbish is dumped elsewhere. This may have environmental impacts to surrounding animals as they may get into these rubbish bags. It may also have economic impacts on the local council who will have to clear up the dumped rubbish. This is therefore a relatively insignificant factor which is likely to be ineffective.
Hi, you said you could give me some help with my A2 geog essays, it's very kind of you thank you. Any feedback will be appreciated. Sorry it took so long I haven't had much time and it took a while to type it up. This is the essay from my mock exam. It's also very long so I'll have to send it over 4 messages, sorry.
Question: With reference to either waste management in urban areas or transport management in urban areas, discuss the extent to which sustainibility can be achieved.
There are many ways inwhich waste management mehtods in urban areas can increase the sustainability of waste disposal. These include reusing, recycling and converting waste into energy.
An example of reusing is "bags for life" in supermarket chains such as Waitrose and Tesco. These are reusable bags which encourage people to reuse them again and again rather than using fresh carrier bags and chucking them away, as these are likely to end up in landfill and be an environmental hazards. Supermarkets have also started charging for regular carrier bags, this incentivises people to bring in and re-use their own bags. If this catches on, this will increase the sustainability of waste disposal in the UK. This is a potentially significant and effective factor.
However, people may not see this as an incentive to bring in their own bags as the carrier bags sold in supermarkets are only 1p-2p which may not be very much money to lots of people. Consumers may value the convenience of getting their bags at supermarkets more than the money,or the environment. Furthermore, this has not caught on to all supermarkets and people may just avoid those supermarkets that charge for their bags. It may therefore be ineffective until all supermarkets introduce this charge.
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- Join Date 26-08-2011
Join Date 26-08-2011
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