Antarctic - need for sun block

[John Nissen]

First thought - could they be talking about geoengineering?

http://planetark.org/wen/56059

Second thought, perhaps SRM with stratospheric aerosols would act as a
good UV sun block!

Final thought: Happy Christmas everyone,

John

[John Gorman]

In the first document I wrote (for the Virgin Earth Challenge in 2007?), promoting my idea for silica particles generated by tetra ethyl silicate as an aircraft fuel additive, I had the following:

Incidental Advantages.

1 ) Ultraviolet Screening. 

To be effective, screening of solar radiation must reflect part of the incoming radiation back into space.  Much life on this planet is already dependent on the ultraviolet screening provided by the ozone layer.  Ultraviolet is largely harmful to life and, as we know, to human skin being the main cause of skin cancers.  It is probable that a reduction in ultraviolet radiation at the surface could be seen as a significant advantage for a sun loving population. 

Since the wavelength, which is preferentially reflected, depends on the size of the particle it may be possible to choose the particle size specifically to reduce the proportion of the most harmful ultraviolet radiation.

 

The document is at http://www.naturaljointmobility.info/EarthPaper.htm but please dont bother to point out all the errors in it- i have learnt a lot since then. However  I still think this fuel additive should have proper funded research together with lots of other good ideas.

 

John Gorman

 

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