Read the sentences about the situation in the world today.
Complete the missing words.
Today the world p___
billion.
2
The number of people in the world is gr
quickly.
3 In the future people will need more food, water, houses and
e
Most children are born in p___r countries.
It is getting warmer. The _________e is changing.
This is called global wa
_g.
Most scientists believe people are r
1
4
5
6
7
8
9
17
_n is around eight
for this change.
In the Arctic the ice is m
fast.
We buy new things and throw the old ones away. We
produce a lot of__bb_____
much f__________9.
10 Cars and factories p_l___the air.
11 Many rivers and lakes are p_______d.
12 We must save water today because in the future we may be
14 Many animal sp_
__b_
_y.
13 There is less fish in the seas and oceans because there's too
_s are in danger.