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View Diary: New Report: Solar could provide 100% of world's energy needs by 2050 using only 1% of world's land (204 comments)

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  •  I guess (0+ / 0-)

    But why bother with the exercise when there are plenty of available reality based studies that go much, much more in depth.

    With the assumptions in the report, they are likely off by several factors of 2, especially when extrapolating to the entire world.

    For the US, look here:

    http://www.nrel.gov/...

    You don't have to read the whole thing, but the first part of Volume 1 provides a pretty good breakdown for renewables betweeen 30-90% by 2050. Interestingly enough, PV is a pretty small contributor. Wind seems to be the preferred intermittent source, with contributions from hydro, biomass, and some small amount from geothermal. They also do a good job of laying out the storage, and more importantly cross-country power grid linkages necessary for the scenarios.

    My main concern is that overly simplistic reports like the one linked in the diary are at best unhelpful, at worst come off like corporate sponsored propaganda, especially with First Solar being listed in the credits.

    •  I think many could use a simple explanation (3+ / 0-)
      Recommended by:
      Jim P, salamanderempress, Lawrence

      for an exceedingly complex problem.   Public needs to know that a complete transition to sustainable energy is within the realm of possibility.  For those who prefer more details the information is available.   The climate change crisis is increasingly a problem of communication and that affects political will and action.

      Macca's Meatless Monday

      by VL Baker on Thu Jan 17, 2013 at 02:36:58 PM PST

      [ Parent ]

      •  I understand (0+ / 0-)

        The need for simplicity, but I think you shouldn't sacrifice too much accuracy in the process. I think the linked report reads way too much like overly optimistic corporate PR for a solar company rather than anything approaching reality.

        shrug no need for me to keep harping on it though, I appreciate the drive for renewables.

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