题目内容：
Directions:61. Read the following text and write an essay to
1) summarize the main points of the text,
2) make clear your own viewpoint, and
3) justify your stand.
In your essay, make full use of the information provided in the text. If you use more than three consecutive words from the text, use quotation marks (“ ”).
You should write 160-200 words on the ANSWER SHEET.
Sunlight is free. Turning it into electricity produces no greenhouse gases and the process is getting cheaper every year. These facts suggest solar power ought soon to be a big part of the world's energy mix. However, it is unavailable at night and is most efficiently generated in deserts. Can these problems be overcome? Or is solar power forever destined to be financially aided greenwash that is applied superficially to fossil-fuel-based economies to make them seem more environ. mentally friendly than they really are?
This motion depends on whether the world needs saving, and if so, from what?
There are two conventional answers to the second question. One is, "from the effects of climate change brought about by man-made global warming". The other is, "from dependence on fossil fuels that are, by definition, a finite resource".
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