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91 A worldwide agreement reached more than 10 years ago banned the long-lived chemicals responsible for ozone destruction.

92 If ozone deterioration persisted, they warned, solar ultraviolet radiation would flood Earth.

93 A series of other steps will be triggered by particularly high levels of low-level ozone pollution.

94 A spark-boat sputtered by, filling the air with the smell of ozone.

94 Sentencedict.com is a sentence dictionary, on which you can find excellent sentences for a large number of words.

95 If, for any reason, the stratospheric Ozone Layer becomes thin, its effectiveness as a barrier to UV rays decreases.

96 Satellite observations reveal the area of major ozone loss to be about the size of the United States.

97 Jaq heard the crackling hum of the sword, smelled ozone.

98 During October 1987 a 13 percent stratospheric ozone reduction was measured there.

99 Some are deflected by the ozone layer, but others penetrate to ground level.

100 The destruction of the ozone layer will have a very harmful effect on the environment.

101 A clear example can be seen in the case of the destruction of the ozone layer, causing the greenhouse effect.

102 An intact Ozone Layer prevents about 99% of the sun's UV rays from reaching the Earth.

103 Government monitoring stations measure levels of pollutants such as nitrogen oxides or low-level ozone but fail to publicise them widely.

104 There will be displays on acid rain, the ozone layer and global warming.

105 The prime minister is still basking in the success of last month's conference on the ozone layer.

106 Concern about ozone depletion has until now centred on its effects on humans, for instance through increased skin cancers.

107 The observation shocked the world into action and convinced scientists and governments alike that ozone depletion was a serious problem.

108 Satellite measurements show that ozone loss worldwide has amounted to 2.9 percent over the past 10 years.

109 In contrast, the Mac team was off in the ozone, designing a computer that fit their own woolly sensibilities.

110 Ozone shields the planet from the effects of the sun's ultraviolet radiation.

111 That must have a profound effect on the ozone layer.

112 As winds sweep these chemical pockets into middle latitudes they encounter sunlight and trigger rapid ozone destruction.

113 Ultraviolet light, hydrogen peroxide and ozone assure crystal-clear, clean water.

114 It is estimated that every chlorine molecule has the ability to destroy 100,000 ozone molecules.

115 When I was young, all we heard about ozone was that it was bracing sea air.

116 Ozone in the stratosphere forms a natural shield to filter harmful ultraviolet light.

117 If that rate of increase continues it is estimated that methyl bromide could account for one-sixth of ozone loss by 2000.

118 On ozone depletion, which harms everyone, the Montreal agreement accepted that trade sanctions could be used against free riders.

119 The situation is exacerbated by unusually low levels of nitrogen oxides, which inhibit ozone destruction.

120 Most threatening of these for the marine ecosystem is the exposure to increased ultra-violet radiation through the depletion of the ozone layer.