India, China's AC prompts ozone worries

The growing popularity of air conditioning in India and southern China has some scientists worried about the impact on the ozone layer.

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<p><a href="http://www.physorg.com/news91460054.html">India, China's AC prompts ozone worries</a></p> <p>The growing popularity of air conditioning in India and southern China has some scientists worried about the impact on the ozone layer.</p>