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Comment by ppf

"Renewable" doesn't mean "free energy". Constructing renewable energy sources (wind, solar, etc) takes more energy than constructing an equivalent non-renewable energy source - this is the EROEI (energy returned on energy invested). There's also space limits - see https://www.youtube.com/watch?v=E0W1ZZYIV8o

What's apparent to me is that we live in a unique era where energy is abundant and cheap, which may never be repeated (unless fusion power is developed).

parent ppf 7 years ago

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