There are ~15 different renewables. What you use depends on local geography, weather, climate, etc, etc.https://twitter.com/giuliaholland/status/741549816971333634 …
Replying to @DoctorKarl
Whilst true, I would argue that wind is currently the most cost-effective and most likely to lead the way, followed by solar.
1:47 AM - 11 Jun 2016
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