As Asia Keeps Cool, Scientists Worry About the Ozone Layer

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MUMBAI, India — Until recently, it looked like the depleted ozone layer

protecting the earth from harmful solar rays was on its way to being healed.

 

But thanks in part to an explosion of demand for air-conditioners in hot places

like India and southern China — mostly relying on refrigerants already banned in

Europe and in the process of being phased out in the United States — the ozone

layer is proving very hard to repair.

http://www.nytimes.com/2007/02/23/business/23cool.html