Wednesday 20 May 2009

problem - solution report for global warming (Task 7)

One of the important issues nowadays is global warming. Global warming is the increase in the average temperature of the earth’s near-surface air and oceans. Temperatures increase because the amount of greenhouse gases and air pollution is increasing during the time.

There is much evidence that tells us that there are problems with global warming. First, people don’t fully understand what global warming is, so people should be educated to know how they could reduce the factors of global warming. In addition CO2 is the main reason for global warming. “Fossil fuel burning has produced about three-quarters of the increase in CO2 from human activity over the past 20 years” (http://en.wikipedia.org/). Another problem is ice melting around the world. The result of ice melting is horrible. The result is that the level of water increases which leads to flooding in many countries of the world. “In recent years, the global average sea level has been rising 0.25 to 0.5 centimeters, or 1 to 2 inches, a year”( http://healthandenergy.com/sea_level_rising.htm)


On the other hand there are some solutions we can do to help stop global warming. First, CO2 commissions should be reduced by cars, factories and cities. We can reduce the amount of CO2 by using biofuel cars, but there is not enough encouragement from government and companies which produce these cars. Another solution would be to build cities like Cool cities. “From hybrid vehicle fleets in Charlotte, to green buildings in Austin, and homes powered with renewable energy in Seattle, local governments are moving forward with innovative energy solutions that curb global warming, save taxpayer dollars, and create healthier cities” (http://www.coolcities.us/)

In conclusion I should say that everyone is responsible for what is going on in our planet, so we have to educate people more about global warming. Because we live in one planet and there is no alternative place to live in.

Bibliography

· Coolcities. http://www.coolcities.us/.


· "Nature Reports Possible Sea Level Rise Of 13 To 20 Feet Due to Climate Change." Healthandenergy. http://healthandenergy.com/sea_level_rising.htm.


· En.wikipedia http://en.wikipedia.org/wiki/Global_warming.

Wednesday 6 May 2009

Cool city ( Task 6)


There are some problems with economic development since the industrial revolution such as population increase, CO2 emissions and traffic congestion. However if we don’t solve these problems we will need another planet to live which is totally impossible. In addition we have to reduce the amount of carbon dioxide by 50% in the air.


In the last 30 years GDP (Gross Domestic Product) in Japan has rocketed by 100%, while oil consumption has fallen 8% and energy efficiency increased by 37%.


Two things which mainly cause carbon dioxide, 90% into the air are buildings and transportation.


Cool City is an environmentally friendly city which tries to decrease the CO2 emissions into the air. The city is built by SDCJ which is a Japanese company. Cool City has three types of transportation, water taxis, hybrid cars and light transit rail. There are also three main zones in the city which are business, commercial/cultural and residential (where people live). Some of the techniques which are followed by the city to reduce heat are tree-planting, waterways and rooftop membranes. From the two types of the building it is expected CO2 reduction of 50% in eco towers and 30% in eco residences. Finally the general reduction of CO2 emissions will reach 60%.

Opinion


In my opinion I think that the Cool city is an excellent city because it focuses on the environment and things related to our planet like carbon dioxide and pollution. I believe that other countries around the world should build cities like Cool city, so we can live a good healthy life, but there is no care of our planet. I hope there will be a change of thinking to build cities like Cool city.