As we enter the 21st-century one-third of the people on the ____ cannot use electricity for basic needs such as lighting and cooking. One of the most serious problems today is to get people clean and reliable ____ so that they can have clean water, health care facilities, heating and lighting. ____, which is caused by burning fossil fuels, threatens people's lives around the world. The world's poorest people use very little of the world's oil, coal and ____ but they will suffer most floods and ____ if no action is taken. Whole countries near the Indian Pacific ____ are threatened by flooding as the sea level rises.If we are going to stop the earth's ____ getting out of control, we should stop using most of the world's ____, such as coal, oil and gas to produce energy. It's time to change to alternative sources of energy, like using the ____ of the wind and the sun, both at home and all around the world. We mustn't forget that ____, where 80% of the world's people live, cannot afford oil, coal and gas.

Environment

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