You will hear six people speaking about environmental problems.0:09
Listen and match what they say with the statements in your test book.0:15
There is one statement you don't have to use.0:20
Environmental Problems of Our Time A. Air pollution is a serious problem in Moscow.0:34
Each year, more and more cars, trucks, buses appear on Moscow roads.0:46
Some of them are brand new, but about 35% of the automobiles are more than 10 years old.0:52
They are not equipped with specific filters to protect the air from harmful gases.1:00
Ecologists predict that in the near future the situation can become even worse.1:04
B the problems of pollution and efforts to protect the environment are being explored in many different ways.1:13
There are dozens of various careers available in the environmental sciences.1:23
In these careers, people work to protect living things by controlling pollution and the careless use of natural resources.1:29
Chemists, biologists, industrial and traffic engineers, oceanographers, and various kinds of technicians work in the environmental spheres.1:39
SEA Perhaps the most disturbing surprise of the 20th century has been the discovery of the fact how fragile our world's environment is.1:56
The last wildernesses have almost gone, and it is possible that our children and grandchildren will see large mammals only in zoos or in films.2:09
The tropical rainforests of South America and Africa and southeastern Asia, which provide much of the oxygen we breathe, are disappearing.2:19
The ozone layer, which protects us from harmful radiation, is being eaten away what's in store for us all.2:28
D65 million years ago, only a handful of flora and fauna species were becoming extinct every thousand years.2:39
Now we are losing perhaps a hundred species a day.2:52
This is the time of the greatest mass extinction of life forms in the history of life on the Earth.2:56
E Rivers and seas are used as dumping grounds for waste products.3:08
This is a typical thing even in developed countries.3:16
Excessive amounts of domestic and industrial waste that get into lakes and rivers.3:19
Oil spills in seas and oceans destroy local ecosystems and can cause deaths of thousands of birds and fish.3:24
F There are signs that the world is waking up to the threats facing it.3:36
The governments accept the fact that there are serious ecological problems and they are trying to solve them.3:44
There are methods of reducing the amount of pollutants reaching the atmosphere.3:51
Recycling factories are being built, and filter systems that reduce dangerous emissions from power stations and industry are being installed.3:56
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