Invironment issues

FOSSIL FUELS AND ENERGY RESOURCES

UNCONVENTIONAL GAS

PRE-LISTENING SECTION

Exercise 1. Discuss the following issues be guided by the information below.

• What do you know about FOSSIL FUELS?

• What types of FOSSIL FUELS are there? What are there characteristics, advantages and disadvantages?

Fossil fuels are fuels formed by natural resources such as anaerobic decomposition of buried dead organisms. The age of the organisms and their resulting fossil fuels is typically millions of years, and sometimes exceeds 650 million years. The fossil fuels include coal, petroleum, and natural gas which contain high percentages of carbon.

Fossil fuels range from volatile materials with low carbon: hydrogen ratios like methane, to liquid petroleum to nonvolatile materials composed of almost pure carbon, like anthracite coal. Methane can be found in hydrocarbon fields, alone, associated with oil, or in the form of methane clathrates. It is generally accepted that they formed from the fossilized remains of dead plants and animals by exposure to heat and pressure in the Earth's crust over millions of years. This biogenic theory was first introduced by Georg Agricola in 1556 and later by Mikhail Lomonosov in the 18th century.

It was estimated by the Energy Information Administration that in 2007 primary sources of energy consisted of petroleum 36.0%, coal 27.4%, natural gas 23.0%, amounting to an 86.4% share for fossil fuels in primary energy consumption in the world. Non-fossil sources in 2006 included hydroelectric 6.3%, nuclear 8.5%, and (geothermal, solar, tide, wind, wood, waste) amounting 0.9 percent. World energy consumption was growing about 2.3% per year.

Fossil fuels are non-renewable resources because they take millions of years to form, and reserves are being depleted much faster than new ones are being made. The production and use of fossil fuels raise environmental concerns. A global movement toward the generation of renewable energy is therefore under way to help meet increased energy needs.

The burning of fossil fuels produces around 21.3 billion tonnes (21.3 gigatonnes) of carbon dioxide per year, but it is estimated that natural processes can only absorb about half of that amount, so there is a net increase of 10.65 billion tonnes of atmospheric carbon dioxide per year (one tonne of atmospheric carbon is equivalent to 44/12 or 3.7 tonnes of carbon dioxide). Carbon dioxide is one of the greenhouse gases that enhances radiative forcing and contributes to global warming, causing the average surface temperature of the Earth to rise in response, which climate scientists agree will cause major adverse effects.

Exercise 2. Match these words and collocations to their definitions (synonyms). Translate them into Ukrainian.

1	unpalatable	a	ability to be moved through a flow conduit by pressure from a pump
2	pumpability	b	difficult and unpleasant
3	internal combustion engine	c	conduit
4	Carboniferous	d	a prime mover in which the fuel is burned within the engine and the products of combustion serve as the thermodynamic fluid, as with gasoline and diesel engines
5	plumbing	e	sedimentary rock formed by the consolidation of mud or clay, having the property of splitting into thin layers parallel to its bedding planes
6	shale	f	fifth period of the Paleozoic era of geologic time, from 350 to 290 million years ago
7	permafrost	g	clear and unambiguously
8	embargo	h	interchangeable
9	fungible	i	separate
10	decouple from	j	permanently frozen soil, subsoil, or other deposit, characteristic of arctic and some subarctic regions
11	unequivocally	k	that can be penetrated, especially by liquids or gases
12	permeable	l	seize for use by the state

LISTENING SECTION

Exercise 1. Listen to the recording and decide if the following statements are true or false.

1. Fossil fuels can be compared to bad cuisine – “unpalatable and not enough”.

2. “Unconventional” gas seems likely to solve the problems.

3. The three conventional forms of fossil carbon are oil, coal and gas.

4. Gas is easily moved around through plumbing and is seen as a transportation fuel.

5. New drilling technologies pioneered in America are allowing gas to be extracted from so-called “tight” sands and some coal formations—and thus from much more widespread sources.

6. Oil, unlike coal, is hard to embargo: and an obvious consequence of the changes in gas production is that they make gas supply a less potent political tool.

7. Discoveries of shale gas in eastern Europe could diversify supply in a useful way and stop Russian pressure on neighbouring Ukraine.

8. More diverse and abundant sources should make it easier for electricity generators to switch from coal to gas.

9. Gas production is a messy business, often wreaking terrible environmental damage nearby.

10. Coal mining is relatively easy, but getting coal out of unconventional sources requires some physical and chemical violence to make the rocks more permeable.

11. Unconventional gas is a striking example of innovation turning assumptions on their head and opening up new possibilities.

Exercise 2. Listen again and answer the questions below.

1. What are the conventional forms of fossil carbon? How do they differ?

2. What are the new drilling technologies?

3. What are the consequences of the changes in gas production?

DISCUSSION SECTION

Exercise 1. Express your opinion on the following.

Ukraine will get more independence and new possibilities with discoveries of shale gas in eastern Europe.

Exercise 2. Comment on the statements below.

1. The issue of climate change is one that we ignore at our own peril. There may still be disputes about exactly how much we're contributing to the warming of the earth's atmosphere and how much is naturally occurring, but what we can be scientifically certain of is that our continued use of fossil fuels is pushing us to a point of no return. And unless we free ourselves from a dependence on these fossil fuels and chart a new course on energy in this country, we are condemning future generations to global catastrophe. Barack Obama

2. You see, the Greenhouse Effect is a direct result of burning fossil or old carbon fuels. Jack Herer

3. As long as we're dependent on those fossil fuels, we're dependent on the Middle East. If we are not victims, we're certainly captives. John McHugh

4. If our country is serious about reducing our dependency on foreign oil, we need to get serious about mobilizing the infrastructure necessary to distribute and dispense the next generation of fuels. Bart Gordon

TRANSLATION SECTION

Exercise 1. Make a transcript of the recording, translate it into your native language.

Exercise 2. Present a translation-oriented analysis of the text.

Exercise 3. Roleplay the dialogue between

The presidents of Ukraine and Russia discussing the problem of gas supply.

Exercise 4. Practise consecutive / simultaneous interpretation of the dialogue.

Exercise 5. Translate the information below into Ukrainian and analyze the basic transformations.