The one issue I have with these power consumption alarmist articles is their blatant disregard for the power consumption of the legacy financial system, which dwarfs bitcoin's power usage by order of magnitude.
Andreas dismantles these one-sided arguments quite well:
Hi the one issue I have with these Bitcoin spokespeople justified videos is their blatant disregard for the power consumption of Bitcoin mining itself, which grow as large as Austria's power usage: https://inhabitat.com/bitcoin-is-expected-to-consume-enough-energy-to-power-austria-by-the-end-of-2018/