Showing posts with label Oil. Show all posts
Showing posts with label Oil. Show all posts

Friday, 20 May 2011

A bit of Geography related news..........

So, the Geography exam is out of the way now - I hope it went well - and so I can finally move on from writing revision related posts (which I hope were useful) and start writing about some slightly more interesting things. I thought I would quickly outline the things I am planning to write about over the next few weeks, once I have finished the rest of my exams, whilst we don't have any Geography lessons. So, firstly there will be a few book and film reviews that I have been meaning to write for the past month or so followed by some more in depth posts into interesting and easily debatable areas that haven't fitted into the sylabus we have just finished and just some general Geography topics that I don't really know alot about but would like to. I hope it doesn't get too boring or that I start to scare you with my enthusiam but I have been banned by my family from talking about anything remotely Geography related for the next three weeks, until lessons restart, and have been told to write it all on here, so they can be spared from it - I think it is safe to say that they aren't as interested in Geography as I am!

Tonight it is only going to be a short post (I think) from me on a few stories that I have read in the news that have caught me eye........

  • Ever since the Deepwater Horizon Oil spill last year, the way in which countries and oil companies are able to respond to such disasters has come under public scrutiny, with many calling for more preparation and better methods incase such a disaster was to occur again. Well, this week, the UK tested its planned repsonse to an oil spill off to the west of Shetland. The exercise, named Exercise Sula, involved the use of oil spill containment booms and planes spraying water to simulate dispersant. The aim of the exercise was to test the responses of the numerous authorities that would be involved in a response to an oil spill. However, perhaps, the greatest obstacle faced by the authorities involved was dealing with the weather conditions. Over the two day exercise, winds frequently reached 50mph and strong waves that prevented the the full extent of the booms, which would be required normally, to be set out whilst the pretend dispersant was been blown everywhere and anywhere. Therefore, this suggests that, perhaps, this is the not necessarily the best method to use in the repsonse to an oil spiil - especially if one was to occur during winter! However, atleast it can be said that we are taking an active role in improving the global preparation for another oil spill which, because we are digging deeper and deeper wells, the probability of such a disaster occuring again is increasing. This National Geographic article would be of interest to anyone who is interested in the regulations in place in the USA about drilling oil wells in the Gulf of Mexico and anything else linked to BP and exploration for oil in this area of the world - While BP Eyes Return to the Gulf, Safeguards Debated .
  • I have personally never thought about a possible link between earthquakes and glacial lakes before but apparently the relationship between the two could be disasterous for countries, such as Nepal , which lies at the base of the Himalayas. The Himalayas is a sesmically active region that is covered in glacial lakes which, due to the melting of glaciers, are growing and with an earthquake, predicted, to be overdue, the risk of one of these glacial lakes rupturing threatens to flood huge areas downstream. The epicentre being close a glacial lake, thereby causing it to 'explode', is not the only way in which an earthquake has the potential to rupture these growing lakes. Avalanches and landslides, which can be provoked by earthquakes, can also have a similar effect. For example, in 1985 the glacial lake Dig Tsho, in eastern Nepal, ruptured due to an avalanche and it resulted in the flooding of a nearby HEP plant and much other infrastructure. So, why has this not been a big problem before and why are people only just starting to sound their concerns? Well, the last time a big earthquake occured in the Himilayas was in 1934 and the glacial lakes only really started to appear in the 1950's and they have since grown, therefore have come into closer contact with the most sesmically active areas of the Himilayas. This poses a huge threat for many countries lying at the base of the Himalayas - most of which have large and expanding populations...........
  • Switching now to the other side of the globe, to another worrying story. The deforestation rates in Brazil are on an increase with 480 kilometres squared worth of forest being lost over 8 weeks in the Mato Grosso region - a fivefold increase on last year. This increase is believed to have been caused by the uncertainity and the public political disagreements over the forest consevation rules which vary spatially with farmers in the Amazon having to preserve 80% of the forest whilst farmers elsewhere onyl have to preserve 20% - Lets just hope that this new trends does not continue and Brazil reverts back to reducing its deforestation rates which fell to their lowest since the 1980's last year.
  • A bit of Geography TV now....... I watch the first episode of Windfarm Wars as part of my revision for the exam and I just caught the second episode on BBC iPlayer. Windfarm Wars is a 4 part documentary that follows the struggle of windfarm developers as they try to persuade the council and locals, in a village near Dartmoor, to allow for the development of a wind farm nearby and they processes they have to go through and the problems and opposition they face. This is the link to the first two episodes if anyone is interested - http://www.bbc.co.uk/iplayer/search?q=Windfarm%20wars
  • China has now acknowledged the problems associated with the Three Gorges Dam and has said that steps need to be taken to help the 1.3 million displaced by the construction of this $40 billion project, protect the environment and prevent any major geological disasters occuring.

  • And finally, a quick update on the future of nuclear power. The findings of the initial report commisioned by the UK government was published this week and concluded that there is no need to prevent the further development of nuclear power in the UK because of the events in Japan. Protection against coastal flooding was taken into account in this report as rising sea levels could threaten most of the nuclear power plants in the UK as they are built along the coast but all were found to be suffieciently protected. The situation in Japan is slightly different as the Prime Minister has announced that the country will not build any new reactors and instead, to make up the energy shortfall, greatly increase its use of renewables - especially wind.

This blog is likely to be greatly neglected until half term and all my exams are over and so good luck to everyone in the rest of your exams - especially to those of you resitting the skills exam on Tuesday. Encase you havent read Millie's blog recently or seen the FB page, she is running an online revision session on Monday evening at 19:30 - I am sure it will be very beneficial to join in - and so check out her blog for more details.

Monday, 7 March 2011

3 quick questions I have been meaning to put forward in relation to the energy module.......Can biofuels offer a sustainable alternative to fossil fuels? Do developed countries have the right to limit the amount of fossil fuels industralising countries use? And finally Does oil fuel aggression?

We have come to the end of the energy module now and there are a few things that I have been meaning to write about for a while but have just never been able to find the time to do so and so I am going to try and briefly mention some of them now (I say briefly but I must warn you that I am not normally that great at being brief - you may well have already noticed - but I will try my best).

Can biofuels offer a sustainable alternative to fossil fuels?
In theory, biomass is a renewable energy source and the amount of carbon dioxide released from burning it should be offset by that which the plant takes in during its growth. However, in reality, biomass is not as green as it first sounds as the energy consumed whilst transforming the plant material into a usable form of power often comes from non renewable fossil fuels. This means that the use of biomass is not neccessarily going to help to reduce our dependency on oil even if it is becoming an increasingly popular alternative to petroleum-based liquid fuels in countries such as the USA. Brazil also uses biomass rather a lot and around 50% of the fuel used in gasoline powered cars in Brazil is biofuel. However, deforestation is becoming an issue that is increasingly linked to the development of biofuels. Clearing of the Amazon rainforest is a very worrying prospect and in Indonesia and Malaysia, the growing market for biofuels has led to the clearing of peat forests to make space for palm oil plantations. This has directly resulted in Indonesia becoming one of the largest greenhouse gas polluters in the world. A similar thing has also occured in a more developed country as a US tax incentive that was created to encourage the use of biofuels as an alternative to oil has been a significant factor in the clearing of virgin forests to make way for palm oil plantations. As countries are starting to acknowledge the link between the development of biofuels and deforestation, more afforestation and reforestation schemes are being introduced but,even if these schemes are successful, can biomass offer a sustainable alternative in the future? I personally do not think that they can. At present, we have to use fossil fuels to extract the energy from the biomass and so in reality it is not the most renewable option. Also, with the global population reaching the 7 billion mark this year and being projected to grow to 9 billion by 2045 can we afford to use valuable fertlile farming land for the production of biomass. At present, many people go hungry every day and, as the population grows, this problem is only going to get worse. The amount of energy that can actually be produced from biofuels is also questionnable as it is estimated that the corn needed to fill one tank of a SUV with ethanol is enough corn to feed an African for a year. If this is true, do biofuels produce enough energy to warrant using fertile land to grow biomass instead of much needed food? I also don't think that the biofuels are the most financially sustainable option as the use of fertile land to grow corn and sugar cane, for example, for the production of biofuels has been a contributory factor to the rise in food prices. The World Bank have said that global food prices are at dangerous levels and estimate that, since June, this has pushed 44 million people into poverty. If this is true, can we afford to further develop biofuels or should we turn our attention to other source of renewable energy.....

Do developed countries have the right to limit the amount of fossil fuels industralising countries use?
The use of coal allowed the UK to develop and the industrial revolution was based upon this energy source. Nowadays, coal is a popular option for countries like China, who are trying to industrialise. However the difference is that we didn't realise the impacts that our industralisation was having on the environment and now we do. So the question is, as we now realise the impacts that the use of fossil fuels have on the environment, do developed countries have a responsibility to stop/reduce industralising countries use of fossil fuels or should they just be allowed to develop in the same way that we did? China is now the worlds largest greenhouse gas polluter as they emit 7249.8 tonnes of greenhouse gases per year (USA are the second largest with current emissions standing at 7098 tonnes) and as they develop further this is likely to increase. Coal is also the basis of China's development and this is going to have a huge environmental impact as they continue to do so. Although I think that it is going to be important to somehow control the use of fossil fuels to enable development it is going to be very difficult and rather hypocritical of developed nations to do so. Instead I think that the way that we view development and what we define developed as being should be changed as, to be quite frank, the countries that are classed as being developed today are the ones that consume and waste the most energy, emit the most polluntants and led the most unsustainable lifestyles. If the definition of developed, in relation to a country, was changed then the industralising countries would have a different end goal - hopefully a more sustainable one. Perhaps this could be an indirect way of controlling the use of fossil fuels in developing countries, as, if developed countries start to utilise renewables more and lead a more sustainable life then developing countries are likely to try and mimick this in the hope that one day they can reach the same level of development. Personally, I think that something needs to be done to try and reduce the environmental impact of industralisation but I dont think that developed countries, especially seeing as they often led the most environmental unsustainable lifestyles, have the right to limit other countries use of fossil fuels. Instead, I believe that a change in attitude towards development and to how we define it, is perhaps the best way forward - although I am not sure how excatly this change would occur.
Does oil fuel aggression?
If you look back at all the wars and heated disagreements between countries that have occured over say the last 50 years, how many of them have involved oil in some way or another? Well, the answer is rather a lot of them ( I don't think I need to mention them but encase you are not quite sure what I am going on about think about the Gulf Wars, the fact that the USA tried to bomb North Vietnam's oil tankers and the current conflict that is occuring in Iraq). Oil is without a doubt, one of the most sort after resources in the world and so many countries are dependent on it to the extent that they are prepared to fight over it. So, does oil fuel aggression..... well I think that perhaps it does simply because we are so dependent on it and I think that as oil reserves continue to dwindle, countries are going to become more prepared to fight over it. Ever since South Sudan voted for independence I have wondered whether or not this is the best option and whether or not there is enough oil to feed both the north and the south. The majority of the oil fields are located in the south whilst the processing plants, that turn the crude oil into a more valuable product, are located in the north. Already an estimated 2 million people have been killed in a two decade long civil war between the north and the south which flared most fiercely around the oil fields in the south. Many people hope that, instead of provoking a new war, oil could help to initiate peace but I must admit, I do question whether or not this is rather optimistic due to the past between the north and the south but we will just have to wait and see......... and what about the current situation in Libya and other neighbouring countries. We are all aware of the reserves that the Middle East has and so, with this current unstability, how long is it going to be before some of the developed countries try to take control of the situation and secure the oil and gas reserves. Again time will tell but I believe that if the situation continues to escalate, because we are so very reliant on oil, developed countries may not have much of a choice but to get involved to secure energy supplies.


There is something else that I really wanted to write about but I just can't remember what it was (this is going to really annoy me now until I remember what it was)! I actually think I did alright with regards to my aim of being brief (well for me anyway!) and so what do you think? There is no right or wrong answers to the questions I have presented........... do you think that the definition of developed should be altered to try and reduce the environmental impact of industralisation, do you think that biofuels hold the potential to provide a sustainable alternative to oil and the other fossil fuels and do you think that oil provokes aggression and what impact will this have on the future of relations between countries?

Wednesday, 2 March 2011

Could the current situation in Africa combined with the soaring costs for oil as we approach both peak and decline in oil supplies provoke countries to accelerate the development of their renewable energy sources?

Iceland responded to the oil embargoes of the 1970's by converting to domestic resources. Nowadays virtually every building in the entire country is heated by hot water generated by the geothermal energy (90%) that is located close to the surface in this volcanically active region. Geothermal energy also provides 25% of the energy they consume.

Could other countries be shocked into doing a similar thing? Geopolitics is increasingly becoming more focused on energy supplies and relationships between countries are always unstable and uncertain and so countries always want to reduce their import dependency. However, at present, our cravings for oil often shroud this need for more independency. Could all this unrest in Africa be the wakeup call that countries need?

The unrest that has spread through Egypt caused the oil prices to rise even though (because Egypt consumes practically all they produce) they are not a large oil exporter. The reason for this rise in oil prices is associated with the route that oil from the Middle East and Africa often takes. Oil is often transported through the Suez Canal and pipeline and so the present unrest has stopped some companies from trying to transport oil via this region. It is estimated that 5% of the world’s oil is transported through this canal. In terms of the reliability of the oil supply, the situation in Libya is of greater concern as Libya holds oil reserves. Libya is the 12th largest oil exporter and 85% of its oil goes to Europe (Libya provides 22% of Italy’s crude oil and 8.5% of the UK’s).  Even though Saudi Arabia have said that they can produce enough oil to cover the shortfall, surely this situation is worrying countries like the USA who, like many developed countries, are extremely reliant on oil to enable them to sustain their current lifestyle. Is it possible, if the situation escalates, that the USA could be forced to start to look elsewhere to ensure a reliable energy source - could this even provoke them to further develop their renewable energy sources so that they become more independent? The USA has many options in terms of their utilisation of renewable energy sources. Although not on the scale present in Iceland, America does have both the potential and the technology to exploit geothermal energy and use it to heat and cool houses and to provide hot water. Certain regions also have the ideal conditions to exploit other sources like solar or wind energy.

I think that 'shocking' countries into going renewable is an interesting concept and is perhaps one of the only ways in which developed countries will be prepared to sacrifice their current lifestyles for the sake of developing more reliable and sustainable energy sources. This doesn't only have to be a shock in terms of already unstable regions becoming more unstable and therefore compromising the reliability of the energy source but all rising energy prices. Many feel that the current situation will provoke OPEC to declare a substantial rise in the price of a barrel of oil. At present, whilst it is more finically viable to do so, we invest and exploit the fossil fuels. However, events like those unfolding at present combined with the fact that we are getting closer and closer to peak oil mean that prices are going to soar. The control that oil seems to have on the world is worrying - not only in terms of its hold on the economy but think about the amount of wars that have been fought over it. The few episodes of dramatic increases in oil prices in the past 30 years, mainly due to events in the Middle East, have shown how vulnerable the world economy is to the impact of supply restrictions. High oil price inflation contributes to economic recessions and creates the greatest hardship for those least able to bear the additional costs. Energy sources clearly seem to play an important role in a country's economy and so, in a world that is dictated by money this is key, because as soon as renewable sources become the most financially viable option they are likely to be utilised more and more.

To some extent, the process of almost shocking a nation into changing its energy patterns, is being to occur in Israel. After the conflict during the 1970's, to try and initiate peace, the USA encouraged Israel to become more dependent on Egypt for its energy supply ( just over 50% of Israel natural gas supply comes from Egypt) However, due to the current situation, they are being advised to become more independent and are currently investigated ways in which to achieve this. Israel is starting to accelerate is development of the giant offshore gas reserve located off the Mediterranean coast (the field is named after the biblical sea monster Leviathan) and it is estimated to hold 25 trillion cubic feet of natural gas (this may sound like a lot but it is less than 1% of the natural gas reserves in the Middle East). Although this may seem like a good way forward in terms of Israel’s journey to becoming more dependent but the development of this field could provoke further conflict. Neighboring Lebanon, a country in a state of war with Israel since 1973, has made claims that the gas field lies within its maritime border and this disagreement is likely to worsen, already fractious, relations between these two countries. So, to accompany the development of natural gas exploitation, Israel is also planning to further their development of solar and wind energy. Israel has pledged that they will try and generate 10% of the energy they consume from renewable sources by 2020. Solar power, perhaps, holds the most potential and in December, Arava Power began constructing Israel’s first large-scale solar field with many more planned for the near future in the Negev deserts.

Growing acknowledgment of both the serious environmental impacts and climate-changing effects caused by the burning of oil and the other fossil fuels is slowly beginning to drive developed countries to implement new long term energy policies. Surely the combination of the current situation, the approaching peak and decline in oil supplies and the rise in price that will accompany this transition, can only add urgency to the need for greater energy efficiency measures and more rapid development of sustainable energy alternatives.....?

Tuesday, 15 February 2011

American oil company refuse to take responsibilty of the pollution created by the oil industry in Ecuador

The oil industry has many negative impacts on developing countries and the big oil companies often escape punishment for the impacts their industry has on the surrounding environment and the local people. This is a link to an article about a (rather messy and ongoing) courtcase between an American oil company and Ecuador regarding the allegations that the oil company dumped billions of gallons of toxic waste into unlined pits and the Amazon between 1972 and 1992 http://www.bbc.co.uk/news/world-latin-america-12464063.

At present the Ecuador courts have ruled that Chevron, the oil company, should pay a £5.3 billion fine for the damage caused to crops, the death of lifestock and the increased cancer rates caused by the pollution they created. However Chevron are appealling this court ruling as they believe that the Ecuador government and Petroecuador are to blame. It is hoped though that the current court ruling will stand as environmentalists believe that this would then force companies operationg in the developed world to comply with the same anti-pollution standards that exist in developed countries.

Thursday, 10 February 2011

Impacts of the 1973 oil crisis and how energy consumption is linked to population growth and development.....

I have realised that it is probably about time that I actually started blogging about what I am primarily supposed to be blogging about! So, what did I learn in Geography today……..
In today’s lesson we started off by learning a bit about the 1973 Oil Crisis. This oil crisis started in October 1973 when the members of the OAPEC (Arab members of the OPEC and Egypt, Syria and Tunisia) announced an oil embargo (basically they refused to trade oil with the USA) due to the fact that the USA had started re-supplying the Israeli military during the Yom Kippur War (Fourth Arab-Israeli War – October 6th to the 25th 1973). Many of the countries within NATO blamed the USA’s actions for provoking the oil embargo and therefore the possibility of high oil prices and disrupted supply that accompanied this embargo. Due to fear of their own imports of oil being stopped, other European countries and Japan tried to distance themselves from this situation. The USA negotiated with Arab oil producers and the different countries involved to try and end the oil embargo. In January 1974 an agreement was reached which included the Israeli withdrawal from Sinai. This was enough to persuade the Arab oil producers to lift the embargo and this was done so in March 1974.
However, in terms of oil prices, we are still feeling the impacts of this oil crisis today. During the oil crisis the OPEC members, independently, agreed to fully utilise their control over the world oil prices to guarantee themselves a more stable income. This resulted in oil prices being raised and ever since this oil crisis they have remained high. This has had a huge impact on the world’s economy as countries are reliant on oil and after the price of oil was increased there was a period of time known as the ‘oil price shock’ as this provoked a stock market crash.
After discussing the oil crisis we moved on talking about peak oil production and the ODAC (Oil Depletion Analysis Centre). ODAC was created in 2001 and is an independent UK based charity which aims to “engage public, interest, simulate concern and create momentum for progressive change in energy policy and planning”. The Peak Oil Primer is well worth and it includes some interesting statistics http://www.odac-info.org/peak-oil-primer . An exact date for when we will reached peak oil production has yet to be calculated but what is clear is that it is going to be very soon and from that point onwards the amount of oil we are able to produce will decrease and the price will increase. This means that we don’t have long to try and develop other sources of energy and reduce our dependency on oil.

The oil trade flows graph that we look at today was rather interesting as it provided a graphical representation of which countries are dependent on which in terms of their oil supply. The USA receives oil from a variety of countries and by far imports the most oil. The reason for varying the countries that they import oil from is to improve the security of their oil supply. For example, if another oil crisis was to occur between the Arab nations and the USA, the USA would still be able to get some oil from Mexico, Venezuela, Canada and Nigeria and so, combining this supply with their stock piles, they would be able to continue with their normal lifestyles. For the opposite reason, Saudi Arabia does the same. Saudi Arabia controls 25% of the world’s oil reserves and they sell the oil they produce to many countries and so this means that they can guarantee the exporting of oil to one country or another even if relations between them and another country deteriorate. Some countries group together and trade with each other to try and reduce the costs of importing oil. Generally speaking the South American countries do this and so do the countries that used to be in the former USSR. The graph illustrates that the countries within the Asia Pacific region are dependent on imports of oil and that they don’t export any oil. This is because they have very few oil reserves as, in volcanic regions; the volcanic activity degrades the oil.
From reading the Geofile and looking at some more graphs we were able to compare the energy consumption in MEDC’s and LEDC’s. From analysing all of the information it became very clear to me that this module is very closely linked to the population module and that many of the energy issues we are likely to face in the future are going to be linked, and perhaps provoked by, population problems we are likely to encounter.
Energy consumption is likely to grow in line with population growth as, as LEDC’s develop their populations expand and at the same time technology and industry improve and so they start using more energy. It is predicted that by 2050 the world population will reach 9 billion and so can you imagine how much energy 9 billion people will consume. In reference to the UK, our use of coal enabled us to develop and countries, especially China, are now using coal as a resource to improve their industry and economy. We were not limited to how much energy we could consume or how much carbon dioxide we could release in our early stages of development and so is it fair to try and control how much energy developing countries consume. I think it is an extremely hard question to answer as in our development we polluted the atmosphere to a great extent but the increase in energy consumption needs to be monitored and controlled in order to try and reduce the impacts our lifestyles have on the environment. I also noticed another pattern between development and energy. As countries develop the energy sources that they rely on change.  Countries in stage 1 and 2 of the DTM are dependent on non-commercial sources like wood as they can’t afford to import resources from other countries or build the infrastructure required to transport the energy. In sub-Saharan Africa 500 million people are reliant on non-commercial sources of energy. However, in many areas this has led to large scale deforestation which has increased the risks of landslides and flooding. As countries then move from stage 2 into stage 3 they seem to use coal more and depend less on biofuels. At present developed countries are trying to use coal less as they strive to become greener and instead opt for gas or nuclear but these methods of generating energy are too expensive to implement in LEDC’s. Renewable energy sources are used in both LEDC’s and MEDC’s, despite the high start-up costs, as certain physical features are required and these features are not present in all countries. MEDC’s use more oil than LEDC’s, in general (there are a few exceptions like Saudi Arabia, for example, as they have to use some oil in order to extract it), and so does this mean that as more countries develop the demand for oil is going to increase?
This is not the only link between the energy issues module and the population change module and over the last few days I have realised just how closely they are linked. Other examples of how they are linked include the impacts that climate change is likely to have on migration and which countries should take responsibility for environmental refugees and also, as the global population grows can we manage to feed everyone whilst using fertile land to grow biofuels. Anyway they are issues that I will try and discuss in another post. Feel free to leave any comments as, more so than the other two we have studied so far, it seems vital that you can form your own opinions on these issues and discussions are perhaps the best way to do so.