M: It was a heavy rain last night, wasn’t it
W: It certainly was. The wind broke several windows. I’ll have to pay for a lot of glass. What weather !
M: Do you remember the small garden in front of my house
W: Yes, that beautiful garden with so many roses. What happened
M: Many flowers were damaged by the rain.
W: Really What a big loss!
M: My mother felt very sad at the sight of it.
W: Will you plant more next year
M: Maybe. But we want to plant some pine trees there.
W. Then I will see another lovely garden next year.
M: With some pine trees.
If good intentions and good ideas were all it took to save the deteriorating atmosphere, the planet’s fragile layer of air would be as good as fixed. The two great dangers threatening the blanket of gases that nurtures and protects life on earth-global warming and the thinning ozone layer--have been identified. Better yet, scientists and policymakers have come up with effective though expensive countermeasures.
(2)
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(3) CFCs-first fingered as dangerous in the 1970s by Sherwood Rowland and Mario M01ina, two of this year’s Nobel-prizewinning chemists--have been widely used for refrigeration and other purposes.
(4) If uncontrolled, the CFC assault on the ozone layer could increase the amount of hazardous solar ultraviolet light that reaches the earth’s surface, which would, among other things, damage crops and bring disasters to environment.
(5) Thanks to a sense of urgency triggered by the 1985 detection
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