Unit 9: Preserving The Environment

Cho các từ sau và điền chúng vào ô trống thích hợp:

aquatic            accumulated              catchment                 pollutants             

sustain             containing              discharged                   rubbish

channels                        insecticides

                         River pollution occurs when (1) are not removed from sewage and are discharged into the river. River water is a very important source of freshwater required to (2) life. We need a constant supply of fresh water for drinking, cooking and washing. Animals living near the river, as well as fishes and (3) plants, also depend on clean river water. When heavy rainfall occurs, pollutants (4) within the boundaries of the (5) area may be washed into river (6). These pollutants include a variety of agrochemicals like fertilizers and (7). Waste water (8) cleaning detergents, oil and other pollutants like industrial waste may be (9) into the river channel through our drainage systems. Industrial waste may contain sulfur, resulting in increasing the acidity of the river water. Sometimes, (10) such as plastic bags and bottles, are also washed into the river channel.

World Environment Day which is (1) ____ on 5th June every year in an important day in the calendar of the United Nations. It is one of the ways the United Nations uses to advocate for environmental (2) ____ and call for political action.

Every year, UNEP (the Environment Program of the United Nations) develops a theme which is used globally to raise (3) ____ and call for support from governments, organizations, and individuals from all over the world.

The theme for 2015 was "Seven Billion Dreams. One Planet. Consume with Care”. This would also serve as the slogan for the World Environmental Day 2015. The meeting of this theme and slogan is that we have five (4) ____ with more than seven billion people combined. Although we have about 7 billion people, we just have one planet that we live and survive. The surface area is limited, shelter and food also limited. If we continue using the available natural (5) ____ as we do today, our future generations may be (6) ____ to go hungry and without homes. This is why it is of vital importance to consume (7) ____food that is available with care. Stop the wastage and use whatever resource that is available according to need, not greed.

“Join the race to make the world a better place” is the theme and (8) ____ for 2016 UN World Environment Day. This slogan (9) ____ a clear message and asks everyone to get involved (10) ____ making the world a better place to live in.

Use the correct form of the words in brackets to finish the sentences

1. The..................of ecosystem of lakes, rivers, seas and forests must be prevented ( destroy )

2...................of hotels, recreation and other facilities often leads to increasing sewage pollution ( construct)

3. Waste water has polluted seas and lakes surrounding tourist...................damaging the flora and fauna ( attract)

4. The Earth's natural resources should be consumed at a............... level (sustain)

5.Over- exploitation of oil will ;ead to the..............of this natural resource (deplete)

6.Because of................, there may be no place for wild animals in the near future ( deforest)

7. When people understand clearly the.............. impacts, they will be more aware of conserving forests ( environment)

8. In the 1990's, public............of preserving the environment began to develop (aware)

9. A great.................... would be to start planting small gardens on the roofs of the buildings in the cities (solve)

10. Because non- renewable resources are being consumed at the rapid rate, human beings are likely to face fossil fuel............ ( deplete ).