Man has been endowed with reason, with the power to create, so that he can add to what he has been given. But up to now he hasn't been a creator, only a destroyer. Forests keep disappearing, rivers dry up, wild life has become extinct, the climate is ruined and the land grows poorer and uglier every day !" ( Anton Chekhov )
Introduction :
- for thousands of years , people hunted, fished and farmed the land for food;
- they used plants to make cloth, paper, dyes, and medicines;
- they made tools and weapons from stone and metals;
- in time, they invented machines which were driven by water;
- later, people learned how to power them with fuel, like coal, gas or oil;
- they put up factories where numerous products could be made ( such as new types of clothing, furniture and machines );
- and they built power stations to provide factories and homes with electricity;
- all these activities have been called improvements in the standard of our living;
Development :
A. Resources as Environment :
- but for a long time, no one realized that these improvements of our living were harming the earth;
- it was difficult to see just how quickly we were using up important natural resources ( like oil, coal, gas, and useful minerals );
- few people worried about the spreading cities or about spoiling our surroundings;
- only in recent times people realized that the things used to provide means to satisfy wants become resources only when people are able to use them;
- but human wants are very diverse;
- and human wants can extend from very basic physical requirements ( such as food and shelter ) up to ill-defined aesthetic needs;
- that is why resources include a vast range of items;
- the intellectual resources of a society ( its ideas and technologies ) determine which aspects of the environment meet the society's needs, so that