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View Diary: Hydrocarbon Deniers or Enablers? (22 comments)

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  •  I'm with you (3+ / 0-)
    Recommended by:
    RosyFinch, Hopeful Skeptic, RLMiller

    We need to make the move to green energy now. We need to make big investments now. But we also need to recognize that current technology will not replace our massive use of hydrocarbons, which is another good reason to step up conservation.

    •  yes and no (4+ / 0-)
      Recommended by:
      RunawayRose, Dcoronata, Slaw, RLMiller

      There are so many options of existing technology, I find it hard to believe that we can't cobble them all together in a away that could provide all the energy we need.

      Wave and tide power
      Hydroelectric (if it can be made non-disruptive to the river ecosystems)
      Geothermal
      Solar - both distributed from sun farms and decentralized (i.e. put panels on EVERY new home... mandated)
      Wind
      Cellulosic and algal ethanol (for cars)
      Nuclear

      And some I'm sure I'm forgetting about.

      But of course... like you said, people need to reduce consumption... especially Americans.

      "The more the Democrats pursue the center... the further to the right the "center" moves." -fellow kossack vacantlook

      by Hopeful Skeptic on Wed Mar 10, 2010 at 06:39:07 PM PST

      [ Parent ]

      •  yes and no again (2+ / 0-)
        Recommended by:
        Hopeful Skeptic, RLMiller

        If you add nuclear to the equation, then we probably could do it. As I've learned over at a few other sites, that's not going to be an easy sell.

        Earlier this year we had a seminar in which the speaker detailed all of the world's current and future power needs (in terawatts) as well as what the sources were. He made the point that right now wind and tide will be helpful, but they're still just a portion of what we need. Right now solar is too inefficient to cover everything, and we'd likely run out of the rare earth metals needed to build it all. BUT...he also showed how the technology kept advancing. With enough investment and basic research, we probably could get there within 30 years.

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