Oil is important for two main reasons. It is the raw material for many useful products - plastics, fertilisers, medicines, etc - and it is also a valuable fuel for transport. In some cases, it is vital. Aviation fuel (kerosine) cannot be obtained from any other source.
So far, the discovery of fossil fuels - coal, oil and gas - has more than kept pace with demand.
But they will run out one day, though it is difficult to five a precise date for this to happen. If current reserves are divided by current annual production a rough forecast can be made of how long the fossil fuels will last.
Source: BP Statistical Review of World Energy, 1995.
Remember that many things can happen to alter this picture. Consumption could change, new technologies be developed or new finds made.
Nevertheless, it makes sense to:
Write down and discuss some strategies which could be used to conserve fossils fuels. Use these three headings:
Much has been written and broadcast about alternatives to fossil fuels.
These include:
Select one source of power from the above list and find out its advantages, its disadvantages and its potential to supply our future needs. Use textbooks and reference books, but also seek out information from power generating companies and from environmental groups.
Write a short report which can be compiled into a class or group booklet.