Good morning , as I start to this course of lecture on the Australian environment, I will give you on the .. the course. There are six areas of concern, then say, topics which I hope to cover. In the first topic, we will look into the process of European settlement. Particularly in terms of intensive farming and grazing they imported, this is called the historical background.
In our second topic, we should look into the landing environment and Terrestrial environment. In these topics, we’ll look at some of major problems that soil faces in Australia. These are usually called by overgrazing with imported animals by sheep and cattle, they are hard hoofed animals. It is a two stages, firstly, the hard hoofed animals removed the vegetation. The top soil … ..away or washed away by spring rain water, that is, by erosion. Later on, Australian farmers also worsen this problem through their…they removed trees and used widely spread irrigation, this action combined bring the salt from deep soil to the surface and, of course, the plants can’t survive in salty soil, so the land became infertile. It could be … atmosphere environment. By burning fossil fuel such coal and petroleum, we increase carbon dioxide in the air which has been seen by many people the major suspect in the warming of the atmosphere. of course, This also contribute to the pollution of the air particularly around the cities. It would… therefore if using solar, wind or water power whatever possible rather fossil fuels.
The fourth topic is the inland …. Environment, as inland waterways … demand laid on them…not only are they providing water for irrigation and drinking but they are also carrying sewage. And when water flow… for overused and river sopped …. they become subject of XX, XX not only ….for human and animal consumption but also kill native fish and a number of water life. It …we will look into our city for our environment. Our cities have spread so quickly that cities were producing a number of headaches for our local government. Firstly, service such as public transport.. demand. But an even more significant consequence is the social isolation as people find they are increasingly cut off from communities.
And now sixth and the last topic is ----- population, now, it is usually seen economical. reason.… Australian were competing in the world market. I was….by asking the question can that uncertain rainfall and poor soils sustain our entire population and … to look at the distribution of population, certainly, law by .. each year. And now. why is that in Australia, ya, our country certainly .. each. We found that , in fact, over 80% of the population lives in the coastal cities. And finally, we will conclude the six major topics. We need to find what indeed does make Australian environment unique so that we …all round the society, young and old, and … to work more … at the end of the 21st century…