The concept of releasing aerosolsprays into the stratosphere above the Arctic has been proposed by several scientists.
一些科学家提出了向北极平流层释放气溶胶喷剂的概念。
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The phasing out of chlorofluorocarbons (CFC) - substances used in refrigerators, aerosolsprays and some packing foams - has stopped the ozone layer from being depleted further.
We recycle our newspapers and bottles, we take public transport to get to work, we try to buy locally produced fruit and vegetables and we stopped using 4 aerosolsprays years ago.