Comments by "Alan hat" (@alanhat5252) on "PBS Terra" channel.

@ruedelta sorry mate, it's you that "needs to review the magnitude of all these impacts", you are just plain wrong. Are you getting your "data" from oil company sources?
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0:20 it IS always "sunny or windy" _somewhere_ (often not far away) you just have to share the generated electricity around.
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Such lack of ambition! Many European countries have been 100% renewable-energy for 2 or 3 seasons every year for several years, Albania, Iceland & Paraguay are 100% year-round, Norway 97%, Algeria & Morocco export energy, even USA was mostly hydro a few decades ago before oil muscled in. There used to be wind-powered well pumps that are now electric or Diesel & so much else! Plus, you've not even looked at tidal which is powered by the moon going round, something which isn't likely to change any time soon even if there's a nuclear war on the moon! Deep-well geothermal is powered by the nuclear reaction at the Earth's core, shallow-well is powered by the sun.
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@anthonymorris5084 I used the phrase "renewable-energy" quite deliberately.
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@anthonymorris5084 please explain yourself & cite at least one of your sources.
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9:10 "as much as a fifth"?!? Where are you getting your figures from? Lots of people are generating all their electricity already, including charging cars & heating pools. "A fifth" indeed!
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@solarwind907 AC suffers from substantial, sometimes prohibitive, capacitive & inductive losses, DC doesn't
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@solarwind907 no, the reason we burn fossil fuels is a feature of the American (& to an extent Western) capitalist systems, we had plenty of viable alternatives before oil monopolized energy.
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@damiion666 climate scientists have looked at ice samples, tree rings & all sorts of things & worked out what the climate has been like for millennia &, conveniently, they've drawn it as a chart. If you trace the ups & downs of that chart you can see very clearly that right now the northern hemisphere is supposed to be in. an ice age.
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@veganconservative1109 give your head a wobble, it's not working right.
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@notreally2406 you're a long way down a rabbit-hole there mate! I hope you find your way back to reality soon.
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(& occasional complete replacement when a larger-than-predicted wave or tsunami blows the complete assembly into the sea or even just turns it inside out).
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People have been working on this for more than 50 years & nothing of commercial scale has been produced. The problem seems to be the extreme variability of waves – from negligible ripples to geysers when amplified by these shapes, plus, certain weather conditions fill the water with highly-abrasive silt or vane-clogging seaweed. These seem to be problematic with all wave-powered generation systems unfortunately. Salter's Ducks seem to be the most promising but Salter & his university team have been working on them for decades with no final product. Systems harnessing the tides are coming along very nicely though & Scotland is pretty certain it will be producing most of its electricity from the tides within a very few years. The important thing with tidal is getting stations widely spaced so that few are on slack tides at the same time & transmission of electricity can compensate.
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@kaymish6178 this is possibly part of why Islam is getting such bad press in the West – Zakat is the compulsory giving of a set proportion of one's wealth to charity – compulsory
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Small reactors don't live up to the hype but I'll agree about domestic solar & storage. If there's flowing water on your land hydro is well worth looking into too. Domestic-scale wind is surprisingly difficult to get working because it needs to be so far above obstructions, grid-scale wind on 150 metre towers works fine.
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Micro grids are becoming more common, Germany seems to be the leader at the moment.
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...but still with a grid connection to cope with Dunkelflaute. I agree, absolutely necessary.
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The risks surrounding nuclear are increasing markedly because of the various things happening to water (water is used for cooling & for isolating radioactivity), particularly flooding, increased hurricanes etc & sea level rise. Almost all nuclear power stations are on coasts or large rivers. Vulcanism is also increasing so a Fukushima-like event could be repeated.
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