Marches for climate, marches for science. The interesting thing is that the marchers can’t be bothered with studying up on the subject, but just go by what they read on Facebook or what the celebrities have to say. They call for “renewable” energy without much idea of what renewable energy is. The most renewable is of course hydropower, but then they object to dams in the rivers, not so much for spawning fish, but because of a romantic ideal of wild rivers.
Wind energy, they believe is renewable, because the wind is free. The wind may be free, but those huge turbines cost an arm and a leg. Not only that, but wind comes with incurable intermittency. Wind simply does not blow steadily. According to Robert Bryce’s Smaller, Faster, Lighter, Denser, Cheaper, wind energy has a power density of 1 watt per square meter.
Wind turbines have a deleterious effect…
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