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Briefly compare and contrast any two waste disposal schemes(e.g. zero waste and landfilling, landfilling and using incinerators or any other methods you know) and decide which one might be more suitable for your country.

Waste disposal problems can become a serious case in the future since there are a lot of new products coming out day by day. Local authorities are trying to manage waste disposal schemes by using methods such as planning to use zero waste, incinerating, etc. When comparing waste disposal schemes, zero waste method will probably become better than any other. Zero waste is based on the fact that everything we use will be composed of reusable materials. As a result, we can apply a lot of means to turn waste into a profitable resource. Bath councillor Roger Symmonds said that " The word 'zero' is not strictly accurate. It may not be achievable. But if we get anywhere near, then the benefits for health and jobs will be enormous." But the drawback is that every nation needs to collaborate with each other and restrict by means of law and regulation to use reusable resources only for all products .This simply implies that we need to change a lot of current products into new designs which will consume time and money before being successful. On the other hand, if we use incinerators to clear out wastes, there cannot be problems about time and money for developing countries. People can easily use incinerators for a large amount of waste. The disadvantage is that it has much more potential to harm environment. But it has strong benefits for certain waste types such as toxins since high temperature can destroy these kinds. If my country needs to decide between these two methods, using incinerators will be more suitable. Since my country is a developing country, technology and money are main points to consider. Zero wast requires technology, time and money so that it is difficult for developing countries to fulfill these requirements. In conclusion, both methods have their pros and cons, but for the current situation, it will need research and take a lot of time for zero waste to outweigh other methods.

References
Collins,J.(2002,Oct 3rd). Radical plans for waste could herald a big clean-up. The Guardian Weekly.p25.

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Identify an existing problem that is being caused by climate change in the world today and explain how that problem can be addressed.

Since the climate change affects us in many ways, there becomes a lot of problems concerning with it. One of the problems is that many species are facing extinction. This is mainly because they cannot adopt the new environment quickly. This phenomena is also related with global warming. But global warming is also the sign of climate change as the whole world becomes warmer and warmer. Why does this happen? This is mainly because our ecosystem no longer balance completely. This is the negative side-effects of climate change.

As climate change makes the world warmer, species such as polar bear, salmon,penguins are being threatened. And also the mainland animals such as tigers, leopards become endangered species. The worst is that it can potentially cause catastrophic and long-term changes to the environment and people's lives around the world. People's life may become worried-level. Cold water fishes are scarcer and coral-reefs are being damaged.To prevent countless species being forced into extinction, we need a definite solution to solve it out.

First, we need more meetings like KYOTO protocol. These protocols can lead us to collaborate each other. Second, the respective government can define the forbidden areas, control and regulate the areas to breed endangered species.Third, we can make artificial control system to maintain some species which need special conditions. But it costs so much that we cannot maintain it so long. Since the root is the climate change,we all need to try the causing factors of it. Scientists are also researching to get technical fixes.Some parts of the solutions are available.But the most important is that everyone has a role to play in implementing solutions at all levels of society.We must Take Action!

Do you agree with the author of "Saving Nature"?

I partially agree with the author. It is good for emphasizing man over nature. But, do we only need to preserve nature only for self-preservation? I think it is too selfish to care the environment for the sake of human only. All animals are living things. So are plants. We all are being in the same world. We all are parts of the ecosystem. The ecosystem of the world must be balance. The author chooses man over other things every time. Although man is important, we need to be considerate other living organisms.

According to biologists, almost all organisms have their role in the ecosystem.To prevent the fact of getting people killed in war,is other animals' life being disturbance fair? In my opinion, it is not. We should find the alternative ways to be benefited both. Will a sane environmentalism always do for our own all the time? It is true that we should protect the environment since it is man's environment. But it is also other living things' environment. I understand that sometimes we need to sacrifice others for the fundamental one. We do not want to sacrifice others beings. So, we need to live in a way of mutualism. I would like to say that saving nature, not only for man, but also for other living organisms. And, I also support that "nature is our ward, it is not our master".But, we should respect each other of being existence on the earth!