When I was a child my mother and I would make sunshine tea. I just remembered about it a couple days ago and went out and bought a glass jar. I was dissappointed to see that after I bought the glass jar, it was cloudy for three days. Today the sun has just peaked out from behind the clouds and is ready to brew.
Sunshine tea uses sunlight instead of hot water to steep the tea. It takes time to steep but saves energy. You don't need to boil water and if you are making ice tea you don't need to put hot water in the refrigerator.
All you need to do is put a couple tea bags in a lidded glass jar of water and place it out in the sun for a while. When making black tea, I also added some lemon slices. I don't drink black tea anymore so today I'm making peppermint herb tea.