Read the text and then choose from the list A-J the best phrase given to fill each of the spaces. Each correct phrase may be used only once. Some of the suggested answers do not fit at all.

Global Warming

Almost everyone has some idea of what global warming is, but no one is quite sure of what it will lead to. The most predictable effect is that sea levels will rise, with very serious consequences for people living in low-lying areas, like Marshall Islands. On a national and international level, the most urgent need is to (1), the main contributory factor to the rise in temperature.

But individuals can also help by changing their habits in simple ways. The main greenhouse gas, CO₂, comes from burning fossil fuels, so the easiest way to help reduce emission is to (2) . You can save electricity by turning off the light whenever you leave the room; another option is to (3) . Other appliances use electricity,too, of course, so when you buy a new washing machine, for example, (4) .

Away from home, transport is the main cause of CO₂ emissions. If you drive a car, you can only look for one that is fuel-efficient, but try to (5) . Alternatively, you can join a car pool and (6) when you go to work or to school, or better still, use public transport. If you are going somewhere within easy distance, why not cycle or walk?

All these small changes in our individual lives can make a difference. When you turn off your TV, (7) . If everyone ignored those little red lights, the remote control, and walked a few steps to the TV, they would be helping to save an entire country like the Marshal Islands from sinking under water.

1. buy energy-efficient light bulbs
2. catch a bus
3. switch it off at the machine
4. cut down the consumption of electricity
5. cut down the number of journeys you make
6. reduce emissions of greenhouse gases
7. choose one that will save money
8. install central heating
9. share with someone else
10. choose the brand that is most energy-efficient