Renewable Energy – Basic Concepts


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Renewable Energy: Its Strengths and Weaknesses


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Solar Energy from Photovoltaics


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Wind Power


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Geothermal Energy


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Hydrokinetics


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Biomass


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A Brief History of Renewable Energy


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Pros and Cons of Renewable Energy


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The Big Bang and Renewable Energy


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Solar Energy: Pros and Cons


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7 comments on “Renewable Energy – Basic Concepts
  1. Reality 2012 is a very different one from the historical period when these techniques were of interest. Sorry to say it but time has run out for most people who work with renewable energy.
    Come on the right track as quickly as possible. Each day that passes before this happens the world costs enormous sums that could have been used in a better way.
    Development of the grid is wasted. Tomorrow’s energy in the form of power, heat, electricity and hydrogen will be produced anywhere on this earth, at a very low cost.

  2. Cameron Atwood says:

    Solar thermal energy harvesting with molten salt storage and a high-voltage direct current grid… 100 installations across the US Sunbelt, each a mile square, will provide for the entire country’s electricity needs.

    With regard to the “threats” to wildlife like the desert tortoise – about half of these installations won’t even be in the desert as they will follow a south-bending line from Southern California to South Carolina. Again, we’re talking about 100 square miles, a single square mile at a time – and only 50 of those in the desert. The Sonoran Desert is an arid region covering 120,000 square miles in southwestern Arizona and southeastern California, as well as most of Baja California and the western half of the state of Sonora, Mexico. The tortoise – if it is actually threatened in those 100 square-mile dots – will survive very nicely on the remaining unused desert.

    As far as other species in other areas, this “threat” is simply a red herring that is intended – and used – as a baseless block to badly needed progress. The real and genuine threats, to all life here in the US and across the globe, are the particulates and toxins and climate disruption resulting from our use of fossilized sunlight (not to mention the rabid materialization of the rising specter of ever-escalating global warfare over dwindling and fiercely demanded fossil resources).

    The only barrier is not technical or resource-based or even financial. The barrier is merely a gulf of political will on the part of our sock-puppet legislators – a gulf that was dug out, and is maintained, by the wealthy status quo defenders that have purchased our sock-puppets.

    Want progress? End bribery!

    Truth – Non-Violence – Cooperation – Direct Action – Perseverance

  3. Excuse my math skills, CRAIG, which is correct 100 square miles is 100 indivicual instalations each one mile on each side in one place adjacent they would be 10 miles by 10 miles which is 100 square miles as Camerom said not 100×100 for 10,000 like you said. So which way is the correct quote???

  4. [...] idea of trade-offs and no free lunch is all-important; in fact, it lies at the base of my series of videos and infographics for young people and other newcomers to the subject. But regardless of one’s level of [...]

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