Fossil fuel, such as coal, oil and natural gas, is extensively used in many countries which causes harm to the environment. The use of alternative sources of energy, including wind and solar power, however, is being encouraged in many countries. Why the use of alternative sources of energy is being encouraged in many countries? Is this a positive or a negative development?

任务回应

7.5分

连贯与衔接

6.5分

词汇资源

7.0分

语法范围与准确性

7.0分

Fossil fuel, though extensively used, is not eco-friendly, and its usage comes with huge environmental costs. Considering global warming and climate change, and the detrimental effects fossil fuels have on the environment, green fuel, such as solar, hydro and wind power, is increasingly being used in many countries.

任务回应

8.0分

连贯与衔接

8.0分

词汇资源

7.5分

语法范围与准确性

8.0分

While fossil fuels have been the backbone of our energy supply for centuries, they have severe harmful impacts on our environment. Therefore, some countries have started relying on green energy to reverse the situation.

任务回应

7.5分

连贯与衔接

7.5分

词汇资源

7.5分

语法范围与准确性

8.0分

Every year the energy demand is increasing globally. So the strains on the current and already limited resources are high.