IX. Complete the passage below by writing one word in each gap.
Half of the planet’s (1)………………………………..lives in cities, yet
they consume 75% of the world’s resources and create most of its pollution.
This (2)……………………..that all governments are going to have to create
effective recycling plans. In cities where recycling schemes have been
successful, it is (3)……………………………to recycle 95% of all household
waste. It takes 30-40% less energy to make paper from recycled materials
(4)…………………………….it does to make it from trees. Statistics show that
there is a growing awareness (5)……………………………the importance of
recycling, and countries such as Sweden already recycle much of
(6)…………………..waste.
As the burning of (7)……………………..fuel is a major cause of pollution we
will have to turn to (8)…………………………..energy sources and what could
be a better source than the sun? Solar energy is getting cheaper and can produce
power (9)………………………… in cloudy conditions. The Japanese have
already developed solar-electric roof tiles which are going to make entire
buildings self-sufficient, greatly cut (10)……………………… the need for
fossil fuel.