DEFORESTATION

 

Rainforests help to control global warming because they … carbon dioxide. In recent years, large …….. have been destroyed, as the trees are …… for wood or burned to clear the land for farming. The burning releases large amounts of carbon dioxide into the atmosphere.

Many rainforests grow on ….. soils and when they are cut down or burned, the … is washed away in the tropical rains, so that the area may turn to …. Many plant and animal … that live there could become ….

 

3. Read the text and do the exercises given below.

 

 

THE ANIMALS WE MIGHT LOSE FOREVER

 

1. Disaster did not strike the tiger until a post-war demand for hardwood triggered a massive onslaught on tropical forests. Vast areas, which had stood for
60 million years, disappeared at the rate of 50 acres a minute. Deprived of shelter and prey, the tiger was doomed. In 1972, its population had dropped from 40,000 to less than 2,000 in 40 years. It's now doubled on WWF reserves.

2. The blue whale, the largest animal ever to have lived on earth - reaching lengths of 100 feet and weighing up to 150 tons. The whale was exploited as a source of meat, fats and oils. Its food-sieving plates (baleen) were used to make whalebone corsets. Despite repeated warnings from scientists, whalers continued to slaughter blue whales until their number was one thirtieth of its original
level.

3. Wild black rhinos have become the ultimate symbol of threatened African wildlife. Thirty years ago there were more than 100,000 of them. Today they have dwindled to fewer than 4,000. In Kenya, Zambia and Zimbabwe, poaching rhino horn is still the way to a fortune.

4. There used to be 300 species of elephant - today there are just the African and Indian. In Africa, where an estimated 75,000 still survive, 10,000 a year are shot by poachers for their tusks. The trade has a street value of $1 billion. Herds return to the best places to find crops and gardens and are killed by farmers.

5. Emblem of the World Wildlife Fund, the giant panda faced extinction by the end of the century until, ironically, man stepped in. For it was man's
destruction of the forest which had left the pandas in small, isolated pockets. Leopards occasionally kill the younger ones, and pandas can be accidentally
snared in the traps set to snare musk deer. Occasionally giant pandas are shot: their skins are prized as trophies, or used as rugs and wall hangings.

 

 

1) Find out the following information as quickly as you can:

a) What first started the disappearance of tigers, and why?

b) What is the largest animal in the world?

c) Why was the blue whale hunted?

d) What is the reason for poaching rhino horn?

e) What parts of elephants does ivory come from?

f) How many species of elephant did there use to be?

g) Why are giant pandas shot?

h) What causes the giant panda extinction?

 

2) Complete the gaps in this word puzzle with words from the text which match the definitions given (the paragraph number is given). If you complete it correctly you will make a word connected to the topic to fit in the box (it begins with e).

 

a) used(unfairly) for profit (para 2)

b) caught in a trap (para 5)

c) very big (para 1)

d) a group of animals of the same kind that can breed together (para 4)

e) in danger (para 3)

f) plants produced by farmers (para 4)

g) less in quantity (para 3)

h) sure to die (para 1)

i) an animal that is hunted and eaten by other animals (para I)

j) fierce attack (para 1)

k) state of being no longer in existence (para 5)

l) buying and selling of goods (para 4)

m) killing on a big scale (para 2).

 

 

a)

e

x

p

l

o

i

t

e

d

b)

s

c)

s

d)

e

e)

t

f)

r

g)

d

h)

d

i)

y

j)

a

k)

i

l)

d

m)

t

 

4. Look through the information and discuss the role of the ozone layer and the problem it faces.