But using paper towel is unavoidable when using public toilets. I have no idea if air-blowing hand dryers use less energy than the production and disposal of paper towels, but often we don't have a choice. (I like to use the paper towel so I can use it to open the washroom door when I leave. Have you seen how many people don't wash their hands properly or at all after using the toilet?!)
A friend sent me this fantastic TED Talk on how to cut down on the amount of paper towel when drying hands.
Such a great idea! I'm going to show this to my daughters and my students at school.
Shake... and.... fold.