I was very pleased to see that Pope Francis is acknowledging global warming and blaming "human activity" for the bulk of the problem ["Pope: Protect planet," News, June 17].

For years I have been writing to politicians, to no avail, suggesting a bill to mandate that cars be turned off while being dried at car washes. I have waited as long as 20 minutes while my car was vacuumed, dried and shined. I turn off my car as soon as it's brought out.

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If you multiply the many car washes following the same procedure day after day, the emissions are probably astronomical.

A law like this wouldn't solve our crisis, but it certainly would help.

Catherine Kropf Harris, Levittown