Task 3. Fill in the gaps with a subject from the

Task 3. Fill in the gaps with a subject from the box.

A) a one kilowatt solar panel

B) global energy consumption

C) solar panels, solar water heaters and wind generators

D) these renewable energy systems

E) this rise

F) a solar roof

G)many countries

H) the government

I) they



1.is predicted to rise nearly sixty per cent in the next twenty years.

2. .is due to factors such as population growth, urbanization, and economic and industrial expansion.

3. have set themselves renewable energy targets, hoping to be able to generate a proportion of the electricity by such renewable means as wind or solar power.

On a cloudy day in Britain 4can generate enough electricity for the household to pay 140 hours of TV and make 35 cups of tea.

5saves up to a ton of CO2 emissions each years.

6.all help to provide alternative sources of energy for private homes and 7 are no longer prohibitively expensive.

8.can make savings for householders in the long run, and in Britain 9.is providing financial help with the cost of installing them.