Sunday, June 15, 2014

Global Warming Essay


How have technological advances changed lifestyles, thus contributing to global warming?

Daniel Ziengs 10W

2014




















Contents
Page 3
Introduction
Hong Kong’s Water footprint
Global Average water footprint

Page 4
Water and energy usage
Hong Kong’s transport problem
Transport and Global Warming

Page 5
China’s car ownership rates
America’s car ownership rates
Potential scenario

Page 6
Personal opinion
Conclusion

Page 7
Bibliography


















Introduction

Our daily habits and technological advances are destroying our earth, as we know it. Global warming has been an issue in our culture for a long time, but the real question is, did we bring it on ourselves? Technological advances have been changing our everyday lives. Habits of people today are extremely different from people living fifty years ago. Global, local and national scales will be investigated.
To really answer this question we need to look at our advances and how they have contributed to global warming. I will also be looking into the subject on a personal level, analyzing and questioning with my opinions.

Water usage is a leading problem in terms of energy usage and output. It contributes to global warming via the amount of resources it uses to clean and collect the water. Only few of the worlds water plants are environmentally friendly and even these are not helping the current situation greatly.

Hong Kong’s water footprint

Hong Kong has one of the highest water footprints in the world; it currently stands at per capita, 4745m3 per year 1. This is due to the ready availability of water. Water is now safe to drink from the tap and is available at all times on instant demand. This is one example of technological advances, which have negatively impacted global warming, as it takes so much energy to filter and package the water. What I think the problem for Hong Kong is, is that we as people are too used to the instant demand of things, we cannot just give that up.

Global average water footprint

The world’s global water footprint per capita is 1385m3/py 2(per year), Hong Kong’s is 4745m3/py. As shown Hong Kong uses vast amounts of water compared to the global average. This is partly because of Hong Kong being one of the most technologically advanced cities in the world. Having a small population with ready available resources, Hong Kong people are used to the stream of supplies and resources that other countries are not.
Hong Kong, also under some care from China has perks of being a country with its own system but is cared for under the supply of China.





Water and energy usage

Water is a leading energy user and produces a lot of emissions and uses valuable resources. It uses resources such as coal, which although is in abundance, it still produces emissions. Water is also the resource used in many daily household appliances such as dishwashers and washing machines. Dishwashers are a good example of technological advance, which contributes negatively to the environment. Washing by hand was common in households and restaurants until dishwashers came into high demand. Before dishwashers cleaners in restaurants were paid up to HK$20,000 per year.

Hong Kong’s transport problem

Although, ready supplies are not the only reason for Hong Kong’s huge amounts of energy consumption Hong Kong public transport is problem that only keeps increasing. A poll of June 2013 has shown that there are 318 licensed vehicles per one kilometer of road 9. This is a staggering statistic compared to America’s result of merely just 36 vehicles per one kilometer of road 10. This is largely due to the population density of Hong Kong, which is currently 6,620 people per square kilometer (2012 poll) 11.
People in Hong Kong use public transport because of the different areas in which work and home are situated. Since public transportation is so ready available due to technological advances people in Hong Kong are used to using it so frequently, thus contributing to greenhouse gas emissions. This is yet another example of an advance, which is incredibly difficult to reverse its pattern, it is an advance that only goes forward.

Transport and Global Warming

More examples of technological advances increasing the amount of resources being used are cars. In Hong Kong it has recently become more popular to own two cars, usually one personal car and another car provided by the company. This is due to cars becoming cheaper and more available. A 2009 poll has told that there are 540,000 registered cars in Hong Kong alone, and although this is half of Singapore and one third of Taiwan, it is still an immense statistic given the high population density of Hong Kong. In 2002, there were only 354,000 registered cars in Hong Kong. Since 2002 there has been a 55% increase in car ownership.
Cars produce about 50% of the worlds air pollution 14, this includes greenhouse gases and various pollutants such as harmful VO2 gases.


China’s car ownership rates

China’s car ownership rates have also increased over the past decade. In 2005, China had a seemingly small, 45 cars per 1000 people 16,18, but in 2013 there were 183 cars per 1000 people 17. This shows that China has had a massive growth rate in terms of car ownership/popularity. Since China’s pollution is already a major problem, the increasing amount of cars is only making it worse.

America’s car ownership rates

America is also an example of large amounts of car ownership. Although matching statistics from previous years showing the amount of cars per 1000 people could not be found, a 2010 statistic has shown that America is number three on the most cars per 1000 people, which stood at 797 cars per 1000 people 17.

Potential Scenario

A potential scenario, for example, owning two cars becomes more popular. This will increase the amount of fossil fuels used. Thus producing more emissions and greenhouse gases, which, in effect warms the earth up. This is a serious problem and has serious effects for Hong Kong. Firstly since Hong Kong already has bad pollution for southern china and the factories, more cars are just one more thing that contributes to the thick pollutions already surrounding Hong Kong. A way to tackle this problem is to implement a system like Singapore and limit the number of cars in 1the entire city. This will keep the pollution made by cars set a level that rarely changes.
Another solution is to increase awareness of energy conservative cars. Although there are some energy conservative cars in Hong Kong there could be more. Energy conservative cars are an example of a technological advance, which contradicts the increasing amounts of pollution by providing alternate energy sources. Since owning two or more cars is become more and more apparent, one of them being an energy conservative car will be an important investment. For example, a Prius (Hybrid car) would benefit the household. If a family has two cars, one full gas car and one Prius, this mean the two cars only produce 75% of emissions compared to a family with two gas cars, seeing as the Prius uses half gas and half electricity.






Personal opinion

My personal Opinion varies on the subject of technological advances. Are they really one of the main contributors to global warming or are they helping the people in ways unimaginable 20 years ago? Technological advances have help many people in the past decade, cars help people commute to and from work, water becomes more readily available, keeping people clean, thus preventing disease. I personally think these advances have helped people enough to outweigh the possible consequences that they cause. Although, these advances could also be improved and have been improving, take for example, the hybrid electric car. The hybrid cars can reduce emissions by 40-50% if everyone had one, but this is not the case. I think people are too attached to what they have already, (e.g big cars with bad gas mileage) that they are losing sight of the consequences that are affecting our world today. People have become too used to the ready availableness of items and resources that they are too engrossed in consuming to step back and look at the damage that has been done. The main problem with technological advances that are happening today is that they are irreversible. The advances that we are creating and becoming used to are only moving forward and cant be reversed.

Conclusion

In conclusion, technological advances have become a problem and a solution for many things in this world. They have increased energy usage and product consumption but have also benefited in ways that were unheard of 20 years ago, for example speeding up commuting and making water more available for people. These also create problems as cars and water both use vast amounts of energy and resources, both with side effects that contribute to global warming such as greenhouse gases.
A course of action that has to be implemented is an action that informs people of the damage they have been doing, an action that could reverse the forward momentum of consumption. People need to realize what has been done, what are the things that cannot be changed, and they also need to be informed of the things they can do to help the already crumbling world we have. For example, increased popularity of hybrid cars or making products that use less water. These are all advances of advances that could help the world by contradicting old habits without sacrificing functionality.
Overall, Advances have been taken advantage of to lead to energy and resource usage, which are negatively contributing to global warming. Courses of action need to be taken to contradict these advances in order to save our planet from melting.


Bibliography