The rate at which solar panels are added to buildings and houses is accelerating. In 2001, a system was installed about once every ten hours, longer than most work shifts. In 2014, a system was installed about once every 2.5 minutes, shorter than the length of a typical song.
“Every 2.5 Minutes, A New Solar System Is Installed In The United States” – Treehugger
Pretending Not To Panic 
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