Saturday, June 13, 2009
Climate Change
The refrigerants HCFC’s damage ozone at five percent the rate of CFCs and HFCs don’t. Both HCFC’s and HFC’s are strong greenhouse gases because these chemicals act as a layer in the atmosphere that traps heat like a greenhouse. This causes warmer temperatures; plants and animals species migrate North and South towards poles, there are several storms and droughts, and sea level rise. Alternative refrigerants are carbon dioxide, and hydrocarbons (iso-butane, propane), for refrigerants (greenfreeze) and air conditioners. I don’t agree with the author that refrigerants could be harmful enough for making a new ozone-damaging chemical. The governments should create policies for regulating commerce and manufacturing of refrigerators for producing green devices. New machines should require green combustibles and a maximum amount of pollutant elements.
I totally agree that humans have been contributing to degrading the environment and have caused damage to the ozone layer and changed on global temperature. The consequences of damages caused to the ozone layers has brought problems for human, animals and plants. Some people believe that the use of refrigerants can be another global pollution problem for ozone-damaging chemicals. However, the practical solution for making a safe environment is to create alternative sources of energies instead of a protocol agreement, application of refrigerants that are a no CFCs and reduction of emissions of greenhouse gases.
I totally agree with creation of a protocol agreement among countries as a preventive action for ozone-damaging, reductions in production and consumption of harmful elements. The ozone-destroying has not only been the cause of many human skin problems but also has been the cause of the problems for plants, animals and other species due to the UV radiation. All the countries should join their environmental problems with other countries because the environmental problem is global and they are interconnected worldwide.
The situation of economic crisis definitely makes difficulty progressing activities from the governments for changing the climate. The economic crisis is also a global problem, and all the Nations should work together in order to get a solution. The only way to solve the problem is that investors have to develop new technologies in cars, industries, devices and natural resources for making a friendly environment. Finally, the best solution for saving the environment is to create and develop alternative sources of energies such as biomass, natural gas, wind energy, hydroelectric power, solar energy, hydrogen and nuclear power.
Reference: Leahy, Stephen (2008, Sep.16). Inter Press Service News Agency (IPS). Climate change: chemical lobby weakening ozone treaty.. Retrieved May 18, 2009 from http://www.ipsnews.net/print.asp?idnews=43888
Wednesday, June 3, 2009
HARMFUL BASIC NEEDS
Tuesday, June 2, 2009
STEP UP FOR A LOWER CARBON FOOTPRINT
In Western Daily Press (2008, Jan 21) in the article, “ Step Up For a Lower Carbon Footprint” the author mentioned three ways everyone can calculate personal carbon footprint spend in a year through sites on the internet. The author considered that although climate has changed progressively, British people are more concerned about losing weight rather than saving the planet. Each person can calculate his carbon footprint through the internet and each site has different measures, questions and results. The author used 3 different sites: First, www.carbonfootprint.com , where asked for which aked for which country you lived in, how many flights I’d taken, car mileage, heating and light from home, train transport, how much gas, electricity, oil, coal or propane gas; it included products bought, whether I buy organic, recycle, go to restaurants, bars or films and use livestock farming by year. She spent 0.038 tons of CO2 or £332 on gas, £232.78 or 0.179 tons of CO2 from electricity, and she drove 10.499 miles, equivalent to 3.026 CO2, air travel 2, 1.9, rail transport 1,000 miles equal 0.097 tones of CO2. The total of the personal carbon footprint was 8.672 tones of CO2, lower compared to the UK average of 9.8 tons; and the worldwide average carbon footprint is 4 tons per person. In order to struggle with carbon we must decrease to two tons, says Western Daily. Second, they connected to http://actonco2.direct.gov.u.k. on this site it asked for more details about property and lifestyle, such as (how old one’s house is, how many bathrooms it has, how many energy-saving lightbulbs she uses, and how much water she needs to boil a cup of tea, how many times she uses a washing machine, how many times she uses tyre pressure. The total carbon footprint was 8.62 tones compared to the UK average, which was -4.47 tons approximately twice the carbon emission. Third, the author linked to http://footprint.wwf.org.uk, where the average is 12.23 tons of CO2 per year, and the goal for reducing carbon is 2.59 tones of CO2 per person. This site, known as WWF, is confined to more facts on lifestyle such as how many times a week she eats meat and commutes, and how much she spends on jewellery and bath products instead asking for how much gas she uses. Finally, the three methods used for providing personal footprint are different, but they have the purpose of reducing personal carbon footprint.
Many people think that environmental pollution is not their responsibility, and there are people who know that environment is a concern nowadays, but they simply ignore it. Did you think about this worry? Did you think how much have you contributed to damaging the environment? Did you decide to save the planet by yourself? This is what we need to think about. However, although the environment pollution is a global problem, not only does the governments have to take care of it, but each of us should be responsible for managing our carbon footprint because we are a part of society. Household calculation is the good method for people to controlling how much carbon footprint they produce to minimize environment pollution. I agree with author because we can manage our carbon emission through an internet site such as www.carbonfootprint.com and http://actonco2.direct.gov.uk.where where we became a household calculator, protector and conservator of nature, but the author was not precise in the third site, http://footprint.wwf.org.uk.
The author has a good point when he said that we can control the quantity of carbon emission produced by ourselves using the first internet site; for example, on this site, www.carbonfootprint.com , the carbon calculation requires questions like where you live, how much you spend or use gas, electricity, coal or propane, and flight, car, rail and bus miles, and it gives us the total of the carbon footprint that we contributed for damaging the environment. According to this site, the UK average carbon footprint is 9.8 tons per year. Moreover, this calculation involves all things you buy; for instance, if we buy products made in China, we have to include carbon emission of transportation from China to U.S. This is a good and efficient method of controlling pollution because the population is growing quickly and the government cannot control pollution adequately. It is necessary to increase human comprehension by explaining causes and effects of environmental destruction. Everyone has to feel like an environmental activist.
The second method to calculate individual carbon footprint is more concise due to the fact that if involves more detailed information about property, lifestyle, washing machine and more. Also, the UK average for carbon emission is 4.25 tons of CO2 per year. Here the average permitted per person each year is low, consequently fewer polluting emission. This site http://actonco2.direct.gov.uk helps people to compile, analyze and interpret the data in order to know whether their carbon emission has exceeded the limit. Furthermore, current pollution problems are addressed more and more, so the governments should legislate and maximize the total amount of the pollution that each person should spend during a year. The less the average carbon footprint per person, the better the health of the environment that is created.
On the contrary, the third method to calculate carbon footprint, http://footprint.wwarf.org.uk., is inappropriate and illogical, because the average of pollution permitted per person is 12.23 tons of CO2 per year. In addition, the questions used to calculate the quantity of pollutant elements are not precise; for example, the site doesn’t ask how much gas is used or spent. The high number 12.23 tons of CO2 permitted per person doesn’t make sense if we want to reduce or eliminate the environment problems. The reason for household calculation is to make the lower number possible of CO2 per person in order to preserve and protect the environment. Environmental problems depend on public education for understanding the issue. Environmental education is necessarily critical for appropriate conscious decision making and saving the universe. In conclusion, environmental problem is a global issue; therefore, everyone should consciously control their carbon footprint and make the environment sustainable for saving planet.
Reference:
Western Daily Press. (2008, Jan 21). “Step up for a lower Carbon Footprint.” Retrieved May 22, 2009, from Lexis Nexis database.
Thursday, May 28, 2009
MARINE ENVIRONMENT PROBLEM
Wednesday, May 27, 2009
THE OZONE LAYER THREATENED
I totally agree that humans have been contributing to degrading the environment and have caused damage to the ozone layer and changed global temperature. The consequences of damages caused to the ozone layers has brought problems for human, animals and plants. Some people believe that the use of refrigerants can be another global pollution problem for ozone-damaging chemicals. However, the practical solution for making a safe environment is to create alternative sources of energies instead of a protocol agreement, application of refrigerants that are a not CFCs and reduction of emissions of greenhouse gases.
I totally agree with creation of a protocol agreement among countries as a preventive action for ozone-damaging, reductions in production and consumption of harmful elements. The ozone-destroying has not only been the cause of many human skin problems but also has been the cause of the problems for plants, animals and other species due to the UV radiation. All the countries should join their environmental problems with other countries because the environmental problem is global and they are interconnected worldwide.
The governments should create policies for regulating commerce and manufacturing of refrigerators for producing green devices. New machines should require green combustibles. The refrigerants HCFC’s damage ozone at five percent the rate of CFC’s and HFC’s don’t. Both HCFC’s and HFC’s are strong greenhouse gases because these chemicals act as a layer in the atmosphere that traps heat like a greenhouse. This causes warmer temperatures; plants and animals species migrate North and South towards poles, there are several storms and droughts, and sea level rise. Alternative refrigerants are carbon dioxide and hydrocarbons (iso-butane, propane), for refrigerators (greenfreeze) and air conditioners. I don’t agree with the author that refrigerants could be harmful enough for making a new ozone-damaging chemical because this involves others sources threatened.
The situation of economic crisis definitely makes difficulty progressing activities from the governments for changing the climate. The economic crisis is also a global problem, and all the Nations should work together in order to get a solution. The only way to solve the problem is that investors have to develop new technologies in cars, industries, devices and natural resources for making a friendly environment. Finally, the best solution for saving the environment is to create and develop alternative sources of energies such as biomass, natural gas, wind energy, hydroelectric power, solar energy, hydrogen and nuclear power.
Reference: Leahy, Stephen (2008). Climate Change: Chemical lobby weakening ozone treaty. Retrieved May 19, 2009 from http://www.ipsnews.net/print.asp?idnews=43888
Sunday, April 26, 2009
Journal Question #5 My major
Sunday, April 19, 2009
Journal Question #4
Sunday, April 12, 2009
Journal Question #3
Friday, April 10, 2009
Journal Question #1
Monday, April 6, 2009
Kuduro Movement
Journal Questions 2
Currently, in Angola,we has been used a sterotype that is called the kuduro.Kuduro is a typical music and it was created by youngsters in suburbs of capital city of Angola (Luanda). The result of the arrangement of calypso and soca rhythms originated what we called as batida which was integrated with American and European electronic music thus generated kuduro. Similarly, others opinions about this musical genre has been argued that it was generated as mixture of Hip Pop, House and Ragga elements. Kudurism which is the action or process of kuduring has became popular because of its extraordinary dance that conveys meanings that came from both social and musical problems. It is also important to understand the social problems of communities. Kudurist , person who is a singer or dancer of kuduro, he is characterized by particular styles such as the way they dance and sing, and also girls and boys rise the bands. The principal objectives kuduro dance and music genre are enjoyment and consumption among youth of new generation. However, this music is sometimes rejected by adults who link it to imorality and other types of prejudices. Finally, kuduro has been changing and updating frequently duo to the multicultural barriers. It is clear that even though, Kuduro represents a genuine local type of music “new world creation”, but it is hardly criticized by elders.
Saturday, April 4, 2009
Monday, March 2, 2009
Jornal Question #6
Artur Canumbila
Wednesday, February 25, 2009
RRJ#3
Reference: Geology Articles (2008, April) “Assessment of Undiscovered Oil Resources in the Devonian-Mississippian Bakken Shale Formation, Williston Basin Province, Montana and North Dakota”, 2008. Retrieved on February 17, 2009, from http://geology.com/usgs/bakken-formation-oil.shtml
Name: Artur Canumbila
Summary:
Geology’s article, entitled “Assessment of Undiscovered Oil Resources in the Devonian-Mississippian Bakken Shale Formation, Williston Basin Province, Montana and North Dakota” processes the study made on the Bakken shale Formation in areas of the Montana, Canada and North Dakota about the possible prospectivity of hydrocarbon in this area. They evaluated the area through the many geology subjects,such as total petroleum systems that involved source rock distribution, thickness, organic richness, maturation, petroleum generation and migration, reservoir rock, distribution and quality, trap, timing also stratigraphic studies, structural geology, geochemistry associated in historical exploration and production results and interpretations. They found that the Bakken Shale Formation is composed of three layers where upper and lower layers is lithologically composed of shale rich in organic matter, moderately uniform, and the middle layer composed of sandstone with a very good petrophysical characteristic. The two layers of shale are source rock and sandstone is the reservoir. The two figures on the first page illustrate a limitation of the possible prospect or lead, and the figure below shows how the rate of productivity of the hydrocarbon was during 6 years, also, it illustrates the increment of productivity which demonstrates how good the reservoir behavior through the time is. On figure one of page 2 it shows the limitation of oil generation and main structures, and figure 2 below shows oil generation area, five blocks uniforms of appraisal, the area defined as not discovered yet in Bakken Formation, and limitation of oil generation in the upper part same the some Formation. Finally, the study shows the result of the reserve’s estimation of the Bekken Formation .
Reaction:
I agree with their study, in the way that they used the subjects and data mentioned in order to get valuable interpretation for prospect assessment; however, uncertainties always exist before drilling the hole. This study seems to be fascinating, but at same time has a lack of consistency and coherency in its interpretation.. First, Bakken formation is thin, but covers large area, and the two shale units are fairly consistent (2 paragraph).This tells me that even if the Bakken Formation generates hydrocarbon the could be uneconomic due to the volumetry and quantity. Second, on figure 2 it shows the limitation of the area of oil generation for the upper shale layer of the formation; therefore, oil generation is entirely related with depth, geothermal gradient, maturity and type of source rock, so there is a probability that the lower shale generates gas, water or nothing. Nevertheless, the study illustrate some advantages related to the reservoir sandstone which increases productivity through time without depletion, but it can not guarantee the presence of a good petrographic characteristic all over the area, because we have to take into account the drastic local litholigic change. The assessment project still is incognita but slightly promissory. We need more data, more work for making Bakken formation estimation prospective because this estimation still is unrealistic.
Monday, February 16, 2009
Journal Question #2
The most important things from my country that I want all American know are: the Angola’s civil war and democracy. Decades of war, first Angolans against Portuguese colonial and later against each other, but the civil war started since independence from Portugal in 1975.neutralized and traumatized a country. The country is rich in minerals resources such as: oil, diamonds, gold, iron ore, uranium, manganese, copper, zinc, wolfram, tin, granite, quartz, feldspar, kaolin, fertile soil and other. There are two main controversial political parts: one is Marxist supported by Soviet Union and Cuba while anti-Marxist supported by United States, South Africa and China. The Angolan’s victims of the war are citizens more than 600,000 dead, and 3 million refugees. Many attempts were made to find peace during the conflict In 992 election took place but one of them refused to accept the results and restarted to fighting until 2008. On September, 2008 the second election took place, and know the Country is democratic, however, it still weak. Angola economy are growing, is the fourth largest producer of diamonds in the world; nevertheless, the economy is highest dependent on oil producer. Angola is the first oil producer in Sub-Sahara Africa overtook Nigeria place on May 2008. Now, the country is in reconstruction, resettlement of displaced persons and agriculture are growing in high rate. Similarly to the industries, they are growing in bidding and investing processes. To sum up, It is very important, for people particularly American to know about Angola’s history, potentially because it could be good not only for economic relationship but also for friendly relationship between Angolan and American.
RRJ #2
Reference
Chang Kenneth (2009, January). Diamonds Linked to Quick Cooling Eons Ago. New York Times. Retrieved January 21, 2009, from www.nytimes.com/2009/01/02/science02impact.html
RRJ #1
Reference
Geology Articles. (2008, December 10). Blood diamonds-Conflict Diamonds. Geology.com. Retrieved on February 3, 2009, from http://geology.com/articles/blood-diamonds.shtml
Journal #3 : Valentines’ day
In fact , I did not celebrated to much this day in my country because it was not common to celebrate, but was only part of religious Christian mainly catholic . Catholics express valentines’ day a massacre day is associated specifically a honor given to a priest valentine who was tortured and buried a long time ago. Since twenty years ago approximately Angola started celebrated this day and it was recognized as a special day for lovers. Normally, people celebrated in many different ways and the gifts are usually roses, chocolates, and jewelry. It is also day to make your love feel special we can take the time to walk around hold each other the hands or go to buy good think without mention exciting thing of daily life. There are some people prefer go taking a favorable candle dinner and make them memorable day taking some photos. Another option, people use to read and write poems for their love. In addition to, It has been time to play romantic music during you are making chores at home or driving. Furthermore, valentines’ day is of the opportunity to rething our lives on the one we love and dedicate each other: for example, who are already married make a future plan together. However, we can stay at home watch a special movie or if you like stay with friends go to the night club.