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[BBC] Whitening Clouds to Reduce Solar Radiation

post #1 of 20
Thread Starter 
Quote:
Whiter clouds reflect more solar energy back into space, cooling the Earth.

But a study presented at the European Geosciences Union meeting found that using water droplets of the wrong size would lead to warming, not cooling.

One of the theory's scientific fathers said it should be possible to make sure droplets were the correct size.

Cloud whitening was originally proposed back in 1990 by John Latham, now of the University Corporation for Atmospheric Research in Boulder, US.

It has since been developed by a number of other researchers including University of Edinburgh wave energy pioneer Stephen Salter, joining a number of other "geoengineering" techniques that would attempt either to reduce solar radiation reaching earth or absorb carbon dioxide from the air.

One version envisages specially designed ships, powered by wind, operating in areas of the ocean where reflective stratocumulus clouds are scarce.

The ships would continually spray fine jets of seawater droplets into the sky, where tiny salt crystals would act as nuclei around which water vapour would condense, producing clouds or thickening them where they already exist.

It has not yet been trialled in practice, although proponents say it ought to be.

http://www.bbc.co.uk/news/science-environment-12983795
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post #2 of 20
Messing with the weather seems like a bad idea (or at least a dangerous). Of course, one could argue that just by existing the way we do now, we're screwing with a lot of things, including weather.
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post #3 of 20
Thread Starter 
Im holding my thoughts until the get some testing done in the labs.
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post #4 of 20
it would help us no doubt, but me thinks we shouldnt mess with mother nature, she could send us to time out...

as in wipe out our existence
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post #5 of 20
And so the robot take over begins..
 
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post #6 of 20
Artificial cloud nucleation is not going to cause any problems. Along with controlled algae blooms we should be able to reflect a significantly higher amount of solar radiation back to space. However this is not a solution as we need to reduce the average co2 ppm in the atmosphere back to pre industrial levels through carbon capture.
post #7 of 20
arent they already doing this with the chem trails they have in the sky already?
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post #8 of 20
Quote:
The ships would continually spray fine jets of seawater droplets into the sky, where tiny salt crystals would act as nuclei around which water vapour would condense, producing clouds or thickening them where they already exist.

Isn't desalination of the oceans one of the downsides to global warming? It could be offset by the added water retained in the air I guess though.
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post #9 of 20
Slippery slope.

The question here is why do we need to take such measures and what is causing more and more radiation to hit earth?

I remember as a child not needing sunscreen to play outside, and now it’s practically a necessity.

Please keep screwing the planet and relying on science to fix it (temporarily), until there comes a point of no return.
 
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post #10 of 20
Quote:
Originally Posted by Gunderman456;13023709 
I remember as a child not needing sunscreen to play outside, and now it’s practically a necessity.
That's because of lack of information. wink.gif

i.e. Babies should sleep on their back, not stomach as they have been for the last 50+ years in the US.
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