The warmer it gets, the more we use air conditioning. The more we use air conditioning, the warmer it gets. Is there any way out of this trap? In the mid-1980s, Geneva, which has a warmer climate than much of the US, the local government banned the installation of air conditioning except by special permission. This approach is relatively common across Switzerland and, as a result, air conditioning accounts for less than 2% of all electricity used. The Swiss don’t appear to miss air conditioning too much – its absence is rarely discussed, and they have largely learned to do without.

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